Repackage html lib.

client/html/release/html.dart

 #library('html');
 
-#import('bootstrap_hacks.dart');
+#import('dart:dom', prefix:'dom');
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // DO NOT EDIT
 // Auto-generated Dart HTML library.
 
 
 
 
 
+
+
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface AnchorElement extends Element {
 
   String get accessKey();
 
@@ skipping 286 matching lines @@
   String get url();
 
   void initBeforeLoadEvent(String type, bool canBubble, bool cancelable, String url);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface BeforeProcessEvent extends Event {
-
-  String get text();
-
-  void set text(String value);
-
-  void initBeforeProcessEvent(String type, bool canBubble, bool cancelable);
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
 interface Blob {
 
   int get size();
 
   String get type();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface BlobBuilder {
 
-  void append(var blob_OR_value, String endings);
+  void append(var blob_OR_value, [String endings]);
 
-  Blob getBlob(String contentType);
+  Blob getBlob([String contentType]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-interface BlockquoteElement extends Element {
-
-  String get cite();
-
-  void set cite(String value);
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface ButtonElement extends Element {
 
   String get accessKey();
 
   void set accessKey(String value);
 
@@ skipping 128 matching lines @@
   CSSKeyframeRule findRule(String key);
 
   void insertRule(String rule);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface CSSMatrix factory CSSMatrixWrappingImplementation {
-  CSSMatrix([String cssValue]);
+interface CSSMatrix factory _CSSMatrixFactoryProvider {
+
+  CSSMatrix([String spec]);
 
   num get a();
 
   void set a(num value);
 
   num get b();
 
   void set b(num value);
 
   num get c();
@@ skipping 271 matching lines @@
 // WARNING: Do not edit - generated code.
 
 interface CSSStyleSheet extends StyleSheet {
 
   CSSRuleList get cssRules();
 
   CSSRule get ownerRule();
 
   CSSRuleList get rules();
 
-  int addRule(String selector, String style, int index);
+  int addRule(String selector, String style, [int index]);
 
   void deleteRule(int index);
 
   int insertRule(String rule, int index);
 
   void removeRule(int index);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
@@ skipping 99 matching lines @@
   int get height();
 
   void set height(int value);
 
   int get width();
 
   void set width(int value);
 
   CanvasRenderingContext getContext([String contextId]);
 
-  String toDataURL([String type]);
+  String toDataURL(String type);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface CanvasGradient {
 
   void addColorStop(num offset, String color);
@@ skipping 249 matching lines @@
   void set dropEffect(String value);
 
   String get effectAllowed();
 
   void set effectAllowed(String value);
 
   FileList get files();
 
   DataTransferItems get items();
 
-  void clearData(String type);
+  void clearData([String type]);
 
   void getData(String type);
 
   bool setData(String type, String data);
 
   void setDragImage(ImageElement image, int x, int y);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
@@ skipping 459 matching lines @@
   DataTransferItem item(int index);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DataView extends ArrayBufferView {
 
-  num getFloat32(int byteOffset, bool littleEndian);
+  num getFloat32(int byteOffset, [bool littleEndian]);
 
-  num getFloat64(int byteOffset, bool littleEndian);
+  num getFloat64(int byteOffset, [bool littleEndian]);
 
-  int getInt16(int byteOffset, bool littleEndian);
+  int getInt16(int byteOffset, [bool littleEndian]);
 
-  int getInt32(int byteOffset, bool littleEndian);
+  int getInt32(int byteOffset, [bool littleEndian]);
 
   int getInt8();
 
-  int getUint16(int byteOffset, bool littleEndian);
+  int getUint16(int byteOffset, [bool littleEndian]);
 
-  int getUint32(int byteOffset, bool littleEndian);
+  int getUint32(int byteOffset, [bool littleEndian]);
 
   int getUint8();
 
-  void setFloat32(int byteOffset, num value, bool littleEndian);
+  void setFloat32(int byteOffset, num value, [bool littleEndian]);
 
-  void setFloat64(int byteOffset, num value, bool littleEndian);
+  void setFloat64(int byteOffset, num value, [bool littleEndian]);
 
-  void setInt16(int byteOffset, int value, bool littleEndian);
+  void setInt16(int byteOffset, int value, [bool littleEndian]);
 
-  void setInt32(int byteOffset, int value, bool littleEndian);
+  void setInt32(int byteOffset, int value, [bool littleEndian]);
 
   void setInt8();
 
-  void setUint16(int byteOffset, int value, bool littleEndian);
+  void setUint16(int byteOffset, int value, [bool littleEndian]);
 
-  void setUint32(int byteOffset, int value, bool littleEndian);
+  void setUint32(int byteOffset, int value, [bool littleEndian]);
 
   void setUint8();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DetailsElement extends Element {
 
   bool get open();
 
   void set open(bool value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DeviceMotionEvent extends Event {
 
   num get interval();
-
-  void initDeviceMotionEvent(String type, bool bubbles, bool cancelable);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DeviceOrientationEvent extends Event {
 
   num get alpha();
 
   num get beta();
 
   num get gamma();
 
   void initDeviceOrientationEvent(String type, bool bubbles, bool cancelable, num alpha, num beta, num gamma);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DirectoryEntry extends Entry {
 
   DirectoryReader createReader();
 
-  void getDirectory(String path, Flags flags, EntryCallback successCallback, ErrorCallback errorCallback);
+  void getDirectory(String path, [Flags flags, EntryCallback successCallback, ErrorCallback errorCallback]);
 
-  void getFile(String path, Flags flags, EntryCallback successCallback, ErrorCallback errorCallback);
+  void getFile(String path, [Flags flags, EntryCallback successCallback, ErrorCallback errorCallback]);
 
-  void removeRecursively(VoidCallback successCallback, ErrorCallback errorCallback);
+  void removeRecursively([VoidCallback successCallback, ErrorCallback errorCallback]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DirectoryEntrySync extends EntrySync {
 
   DirectoryReaderSync createReader();
 
   DirectoryEntrySync getDirectory(String path, Flags flags);
 
   FileEntrySync getFile(String path, Flags flags);
 
   void removeRecursively();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DirectoryReader {
 
-  void readEntries(EntriesCallback successCallback, ErrorCallback errorCallback);
+  void readEntries(EntriesCallback successCallback, [ErrorCallback errorCallback]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DirectoryReaderSync {
 
   EntryArraySync readEntries();
@@ skipping 85 matching lines @@
   DOMFileSystem get filesystem();
 
   String get fullPath();
 
   bool get isDirectory();
 
   bool get isFile();
 
   String get name();
 
-  void copyTo(DirectoryEntry parent, String name, EntryCallback successCallback, ErrorCallback errorCallback);
+  void copyTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
 
-  void getMetadata(MetadataCallback successCallback, ErrorCallback errorCallback);
+  void getMetadata([MetadataCallback successCallback, ErrorCallback errorCallback]);
 
-  void getParent(EntryCallback successCallback, ErrorCallback errorCallback);
+  void getParent([EntryCallback successCallback, ErrorCallback errorCallback]);
 
-  void moveTo(DirectoryEntry parent, String name, EntryCallback successCallback, ErrorCallback errorCallback);
+  void moveTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
 
-  void remove(VoidCallback successCallback, ErrorCallback errorCallback);
+  void remove([VoidCallback successCallback, ErrorCallback errorCallback]);
 
   String toURL();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface EntryArray {
@@ skipping 225 matching lines @@
   bool handleEvent(File file);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface FileEntry extends Entry {
 
-  void createWriter(FileWriterCallback successCallback, ErrorCallback errorCallback);
+  void createWriter(FileWriterCallback successCallback, [ErrorCallback errorCallback]);
 
-  void file(FileCallback successCallback, ErrorCallback errorCallback);
+  void file(FileCallback successCallback, [ErrorCallback errorCallback]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface FileEntrySync extends EntrySync {
 
   FileWriterSync createWriter();
@@ skipping 83 matching lines @@
   int get length();
 
   File item(int index);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface FileReader {
+interface FileReader factory _FileReaderFactoryProvider {
+
+  FileReader();
 
   static final int DONE = 2;
 
   static final int EMPTY = 0;
 
   static final int LOADING = 1;
 
   FileError get error();
 
   EventListener get onabort();
@@ skipping 25 matching lines @@
   String get result();
 
   void abort();
 
   void readAsArrayBuffer(Blob blob);
 
   void readAsBinaryString(Blob blob);
 
   void readAsDataURL(Blob blob);
 
-  void readAsText(Blob blob, String encoding);
+  void readAsText(Blob blob, [String encoding]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface FileReaderSync {
 
   ArrayBuffer readAsArrayBuffer(Blob blob);
 
   String readAsBinaryString(Blob blob);
 
   String readAsDataURL(Blob blob);
 
-  String readAsText(Blob blob, String encoding);
+  String readAsText(Blob blob, [String encoding]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface FileSystemCallback {
 
   bool handleEvent(DOMFileSystem fileSystem);
@@ skipping 101 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Float32Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 4;
 
   int get length();
 
-  Float32Array subarray(int start, int end);
+  Float32Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Float64Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 8;
 
   int get length();
 
-  Float64Array subarray(int start, int end);
+  Float64Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface FontElement extends Element {
 
   String get color();
@@ skipping 63 matching lines @@
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Geolocation {
 
   void clearWatch(int watchId);
 
-  void getCurrentPosition(PositionCallback successCallback, PositionErrorCallback errorCallback);
+  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]);
 
-  int watchPosition(PositionCallback successCallback, PositionErrorCallback errorCallback);
+  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Geoposition {
 
   Coordinates get coords();
@@ skipping 87 matching lines @@
 interface History {
 
   int get length();
 
   void back();
 
   void forward();
 
   void go(int distance);
 
-  void pushState(Object data, String title, String url);
+  void pushState(Object data, String title, [String url]);
 
-  void replaceState(Object data, String title, String url);
+  void replaceState(Object data, String title, [String url]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface HtmlElement extends Element {
 
   String get manifest();
@@ skipping 29 matching lines @@
   static final int PREV_NO_DUPLICATE = 3;
 
   int get direction();
 
   IDBKey get key();
 
   IDBKey get primaryKey();
 
   IDBAny get source();
 
+  void continueFunction([IDBKey key]);
+
   IDBRequest delete();
 
   IDBRequest update(String value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
@@ skipping 18 matching lines @@
   EventListener get onerror();
 
   void set onerror(EventListener value);
 
   EventListener get onversionchange();
 
   void set onversionchange(EventListener value);
 
   String get version();
 
-  void addEventListener(String type, EventListener listener, bool useCapture);
+  void addEventListener(String type, EventListener listener, [bool useCapture]);
 
   void close();
 
   IDBObjectStore createObjectStore(String name);
 
   void deleteObjectStore(String name);
 
   bool dispatchEvent(Event evt);
 
-  void removeEventListener(String type, EventListener listener, bool useCapture);
+  void removeEventListener(String type, EventListener listener, [bool useCapture]);
 
   IDBVersionChangeRequest setVersion(String version);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBDatabaseError {
@@ skipping 49 matching lines @@
   String get name();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBFactory {
 
+  IDBRequest getDatabaseNames();
+
   IDBRequest open(String name);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBIndex {
 
   String get keyPath();
 
   String get name();
 
   IDBObjectStore get objectStore();
 
   bool get unique();
 
+  IDBRequest getObject(IDBKey key);
+
   IDBRequest getKey(IDBKey key);
 
-  IDBRequest openCursor(IDBKeyRange range, int direction);
+  IDBRequest openCursor([IDBKeyRange range, int direction]);
 
-  IDBRequest openKeyCursor(IDBKeyRange range, int direction);
+  IDBRequest openKeyCursor([IDBKeyRange range, int direction]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBKey {
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBKeyRange {
 
   IDBKey get lower();
 
   bool get lowerOpen();
 
   IDBKey get upper();
 
   bool get upperOpen();
 
-  IDBKeyRange bound(IDBKey lower, IDBKey upper, bool lowerOpen, bool upperOpen);
+  IDBKeyRange bound(IDBKey lower, IDBKey upper, [bool lowerOpen, bool upperOpen]);
 
-  IDBKeyRange lowerBound(IDBKey bound, bool open);
+  IDBKeyRange lowerBound(IDBKey bound, [bool open]);
 
   IDBKeyRange only(IDBKey value);
 
-  IDBKeyRange upperBound(IDBKey bound, bool open);
+  IDBKeyRange upperBound(IDBKey bound, [bool open]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBObjectStore {
 
   String get keyPath();
 
   String get name();
 
-  IDBRequest add(String value, IDBKey key);
+  IDBRequest add(String value, [IDBKey key]);
 
   IDBRequest clear();
 
   IDBIndex createIndex(String name, String keyPath);
 
   IDBRequest delete(IDBKey key);
 
   void deleteIndex(String name);
 
+  IDBRequest getObject(IDBKey key);
+
   IDBIndex index(String name);
 
-  IDBRequest openCursor(IDBKeyRange range, int direction);
+  IDBRequest openCursor([IDBKeyRange range, int direction]);
 
-  IDBRequest put(String value, IDBKey key);
+  IDBRequest put(String value, [IDBKey key]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBRequest {
 
   static final int DONE = 2;
@@ skipping 13 matching lines @@
   int get readyState();
 
   IDBAny get result();
 
   IDBAny get source();
 
   IDBTransaction get transaction();
 
   String get webkitErrorMessage();
 
-  void addEventListener(String type, EventListener listener, bool useCapture);
+  void addEventListener(String type, EventListener listener, [bool useCapture]);
 
   bool dispatchEvent(Event evt);
 
-  void removeEventListener(String type, EventListener listener, bool useCapture);
+  void removeEventListener(String type, EventListener listener, [bool useCapture]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBTransaction {
 
   static final int READ_ONLY = 0;
@@ skipping 13 matching lines @@
   EventListener get oncomplete();
 
   void set oncomplete(EventListener value);
 
   EventListener get onerror();
 
   void set onerror(EventListener value);
 
   void abort();
 
-  void addEventListener(String type, EventListener listener, bool useCapture);
+  void addEventListener(String type, EventListener listener, [bool useCapture]);
 
   bool dispatchEvent(Event evt);
 
   IDBObjectStore objectStore(String name);
 
-  void removeEventListener(String type, EventListener listener, bool useCapture);
+  void removeEventListener(String type, EventListener listener, [bool useCapture]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBVersionChangeEvent extends Event {
 
   String get version();
@@ skipping 343 matching lines @@
   bool get willValidate();
 
   bool checkValidity();
 
   void click();
 
   void select();
 
   void setCustomValidity(String error);
 
-  void setSelectionRange([int start, int end, String direction]);
+  void setSelectionRange(int start, int end, [String direction]);
 
   void setValueForUser(String value);
 
   void stepDown([int n]);
 
   void stepUp([int n]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Int16Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 2;
 
   int get length();
 
-  Int16Array subarray(int start, int end);
+  Int16Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Int32Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 4;
 
   int get length();
 
-  Int32Array subarray(int start, int end);
+  Int32Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Int8Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 1;
 
   int get length();
 
-  Int8Array subarray(int start, int end);
+  Int8Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface KeyboardEvent extends UIEvent {
 
   static final int KEY_LOCATION_LEFT = 0x01;
@@ skipping 655 matching lines @@
   void set align(String value);
 
   FormElement get form();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface LinkElement extends Element /*, common.LinkStyle */ {
+interface LinkElement extends Element {
 
   String get charset();
 
   void set charset(String value);
 
   bool get disabled();
 
   void set disabled(bool value);
 
   String get href();
@@ skipping 203 matching lines @@
   bool get controls();
 
   void set controls(bool value);
 
   String get currentSrc();
 
   num get currentTime();
 
   void set currentTime(num value);
 
+  bool get defaultMuted();
+
+  void set defaultMuted(bool value);
+
   num get defaultPlaybackRate();
 
   void set defaultPlaybackRate(num value);
 
   num get duration();
 
   bool get ended();
 
   MediaError get error();
 
+  num get initialTime();
+
   bool get loop();
 
   void set loop(bool value);
 
   bool get muted();
 
   void set muted(bool value);
 
   int get networkState();
 
@@ skipping 126 matching lines @@
   String get label();
 
   EventListener get onended();
 
   void set onended(EventListener value);
 
   int get readyState();
 
   MediaStreamTrackList get tracks();
 
-  void addEventListener(String type, EventListener listener, bool useCapture);
+  void addEventListener(String type, EventListener listener, [bool useCapture]);
 
   bool dispatchEvent(Event event);
 
-  void removeEventListener(String type, EventListener listener, bool useCapture);
+  void removeEventListener(String type, EventListener listener, [bool useCapture]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface MediaStreamList {
 
   int get length();
@@ skipping 235 matching lines @@
   Node get relatedNode();
 
   void initMutationEvent(String type, bool canBubble, bool cancelable, Node relatedNode, String prevValue, String newValue, String attrName, int attrChange);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
+interface MutationRecord {
+
+  ElementList get addedNodes();
+
+  String get attributeName();
+
+  String get attributeNamespace();
+
+  Node get nextSibling();
+
+  String get oldValue();
+
+  Node get previousSibling();
+
+  ElementList get removedNodes();
+
+  Node get target();
+
+  String get type();
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// WARNING: Do not edit - generated code.
+
 interface Navigator {
 
   String get appCodeName();
 
   String get appName();
 
   String get appVersion();
 
   bool get cookieEnabled();
 
@@ skipping 398 matching lines @@
   String get valueType();
 
   void set valueType(String value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface Point factory PointWrappingImplementation {
+interface Point factory _PointFactoryProvider {
+
   Point(num x, num y);
 
   num get x();
 
   void set x(num value);
 
   num get y();
 
   void set y(num value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface PopStateEvent extends Event {
 
   String get state();
 
-  void initPopStateEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String stateArg);
+  void initPopStateEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Object stateArg);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface PositionCallback {
 
   bool handleEvent(Geoposition position);
@@ skipping 41 matching lines @@
   bool get wrap();
 
   void set wrap(bool value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface ProcessingInstruction extends Node /*, common.LinkStyle */ {
+interface ProcessingInstruction extends Node {
 
   String get data();
 
   void set data(String value);
 
   StyleSheet get sheet();
 
   String get target();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
@@ skipping 99 matching lines @@
   int get startOffset();
 
   String get text();
 
   DocumentFragment cloneContents();
 
   Range cloneRange();
 
   void collapse(bool toStart);
 
-  int compareBoundaryPoints();
-
   int compareNode(Node refNode);
 
   int comparePoint(Node refNode, int offset);
 
   DocumentFragment createContextualFragment(String html);
 
   void deleteContents();
 
   void detach();
 
@@ skipping 212 matching lines @@
   String get type();
 
   void set type(String value);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
+interface SpanElement extends Element {
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// WARNING: Do not edit - generated code.
+
 interface SpeechInputEvent extends Event {
 
   SpeechInputResultList get results();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
@@ skipping 60 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface StorageInfo {
 
   static final int PERSISTENT = 1;
 
   static final int TEMPORARY = 0;
 
-  void queryUsageAndQuota(int storageType, StorageInfoUsageCallback usageCallback, StorageInfoErrorCallback errorCallback);
+  void queryUsageAndQuota(int storageType, [StorageInfoUsageCallback usageCallback, StorageInfoErrorCallback errorCallback]);
 
-  void requestQuota(int storageType, int newQuotaInBytes, StorageInfoQuotaCallback quotaCallback, StorageInfoErrorCallback errorCallback);
+  void requestQuota(int storageType, int newQuotaInBytes, [StorageInfoQuotaCallback quotaCallback, StorageInfoErrorCallback errorCallback]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface StorageInfoErrorCallback {
 
   bool handleEvent(DOMException error);
@@ skipping 27 matching lines @@
 interface StringCallback {
 
   bool handleEvent(String data);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
-interface StyleElement extends Element /*, common.LinkStyle */ {
+interface StyleElement extends Element {
 
   bool get disabled();
 
   void set disabled(bool value);
 
   String get media();
 
   void set media(String value);
 
   StyleSheet get sheet();
@@ skipping 379 matching lines @@
   String get validationMessage();
 
   ValidityState get validity();
 
   String get value();
 
   void set value(String value);
 
   bool get willValidate();
 
+  String get wrap();
+
+  void set wrap(String value);
+
   bool checkValidity();
 
   void select();
 
   void setCustomValidity(String error);
 
-  void setSelectionRange(int start, int end, String direction);
+  void setSelectionRange(int start, int end, [String direction]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface TextEvent extends UIEvent {
 
   String get data();
@@ skipping 195 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Uint16Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 2;
 
   int get length();
 
-  Uint16Array subarray(int start, int end);
+  Uint16Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Uint32Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 4;
 
   int get length();
 
-  Uint32Array subarray(int start, int end);
+  Uint32Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface Uint8Array extends ArrayBufferView {
 
   static final int BYTES_PER_ELEMENT = 1;
 
   int get length();
 
-  Uint8Array subarray(int start, int end);
+  Uint8Array subarray(int start, [int end]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface UnknownElement extends Element {
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
@@ skipping 957 matching lines @@
   void stencilFuncSeparate(int face, int func, int ref, int mask);
 
   void stencilMask(int mask);
 
   void stencilMaskSeparate(int face, int mask);
 
   void stencilOp(int fail, int zfail, int zpass);
 
   void stencilOpSeparate(int face, int fail, int zfail, int zpass);
 
-  void texImage2D(int target, int level, int internalformat, int format_OR_width, int height_OR_type, var border_OR_canvas_OR_image_OR_pixels, int format, int type, ArrayBufferView pixels);
+  void texImage2D(int target, int level, int internalformat, int format_OR_width, int height_OR_type, var border_OR_canvas_OR_image_OR_pixels, [int format, int type, ArrayBufferView pixels]);
 
   void texParameterf(int target, int pname, num param);
 
   void texParameteri(int target, int pname, int param);
 
-  void texSubImage2D(int target, int level, int xoffset, int yoffset, int format_OR_width, int height_OR_type, var canvas_OR_format_OR_image_OR_pixels, int type, ArrayBufferView pixels);
+  void texSubImage2D(int target, int level, int xoffset, int yoffset, int format_OR_width, int height_OR_type, var canvas_OR_format_OR_image_OR_pixels, [int type, ArrayBufferView pixels]);
 
   void uniform1f(WebGLUniformLocation location, num x);
 
   void uniform1fv(WebGLUniformLocation location, Float32Array v);
 
   void uniform1i(WebGLUniformLocation location, int x);
 
   void uniform1iv(WebGLUniformLocation location, Int32Array v);
 
   void uniform2f(WebGLUniformLocation location, num x, num y);
@@ skipping 241 matching lines @@
 
   String get text() { return _ptr.text; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
 
   String getParameter(String name) {
     return _ptr.getParameter(name);
   }
-
-  String get typeName() { return "AnchorElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class AnimationEventWrappingImplementation extends EventWrappingImplementation implements AnimationEvent {
   AnimationEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get animationName() { return _ptr.animationName; }
 
   num get elapsedTime() { return _ptr.elapsedTime; }
 
   void initWebKitAnimationEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String animationNameArg, num elapsedTimeArg) {
     _ptr.initWebKitAnimationEvent(typeArg, canBubbleArg, cancelableArg, animationNameArg, elapsedTimeArg);
     return;
   }
-
-  String get typeName() { return "AnimationEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class AnimationListWrappingImplementation extends DOMWrapperBase implements AnimationList {
   AnimationListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   Animation item(int index) {
     return LevelDom.wrapAnimation(_ptr.item(index));
   }
-
-  String get typeName() { return "AnimationList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class AnimationWrappingImplementation extends DOMWrapperBase implements Animation {
   AnimationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 19 matching lines @@
 
   void pause() {
     _ptr.pause();
     return;
   }
 
   void play() {
     _ptr.play();
     return;
   }
-
-  String get typeName() { return "Animation"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class AreaElementWrappingImplementation extends ElementWrappingImplementation implements AreaElement {
   AreaElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 35 matching lines @@
 
   String get search() { return _ptr.search; }
 
   String get shape() { return _ptr.shape; }
 
   void set shape(String value) { _ptr.shape = value; }
 
   String get target() { return _ptr.target; }
 
   void set target(String value) { _ptr.target = value; }
-
-  String get typeName() { return "AreaElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ArrayBufferViewWrappingImplementation extends DOMWrapperBase implements ArrayBufferView {
   ArrayBufferViewWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   ArrayBuffer get buffer() { return LevelDom.wrapArrayBuffer(_ptr.buffer); }
 
   int get byteLength() { return _ptr.byteLength; }
 
   int get byteOffset() { return _ptr.byteOffset; }
-
-  String get typeName() { return "ArrayBufferView"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ArrayBufferWrappingImplementation extends DOMWrapperBase implements ArrayBuffer {
   ArrayBufferWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get byteLength() { return _ptr.byteLength; }
-
-  String get typeName() { return "ArrayBuffer"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class AudioElementWrappingImplementation extends MediaElementWrappingImplementation implements AudioElement {
   AudioElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "AudioElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BRElementWrappingImplementation extends ElementWrappingImplementation implements BRElement {
   BRElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get clear() { return _ptr.clear; }
 
   void set clear(String value) { _ptr.clear = value; }
-
-  String get typeName() { return "BRElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BarInfoWrappingImplementation extends DOMWrapperBase implements BarInfo {
   BarInfoWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get visible() { return _ptr.visible; }
-
-  String get typeName() { return "BarInfo"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BaseElementWrappingImplementation extends ElementWrappingImplementation implements BaseElement {
   BaseElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get href() { return _ptr.href; }
 
   void set href(String value) { _ptr.href = value; }
 
   String get target() { return _ptr.target; }
 
   void set target(String value) { _ptr.target = value; }
-
-  String get typeName() { return "BaseElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BeforeLoadEventWrappingImplementation extends EventWrappingImplementation implements BeforeLoadEvent {
   BeforeLoadEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get url() { return _ptr.url; }
 
   void initBeforeLoadEvent(String type, bool canBubble, bool cancelable, String url) {
     _ptr.initBeforeLoadEvent(type, canBubble, cancelable, url);
     return;
   }
-
-  String get typeName() { return "BeforeLoadEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-class BeforeProcessEventWrappingImplementation extends EventWrappingImplementation implements BeforeProcessEvent {
-  BeforeProcessEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get text() { return _ptr.text; }
-
-  void set text(String value) { _ptr.text = value; }
-
-  void initBeforeProcessEvent(String type, bool canBubble, bool cancelable) {
-    _ptr.initBeforeProcessEvent(type, canBubble, cancelable);
-    return;
-  }
-
-  String get typeName() { return "BeforeProcessEvent"; }
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BlobBuilderWrappingImplementation extends DOMWrapperBase implements BlobBuilder {
   BlobBuilderWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  void append(var blob_OR_value, String endings) {
-    if (blob_OR_value is String) {
-      _ptr.append(LevelDom.unwrap(blob_OR_value), endings);
-      return;
+  void append(var blob_OR_value, [String endings = null]) {
+    if (blob_OR_value is Blob) {
+      if (endings === null) {
+        _ptr.append(LevelDom.unwrap(blob_OR_value));
+        return;
+      }
+    } else {
+      if (blob_OR_value is String) {
+        if (endings === null) {
+          _ptr.append(LevelDom.unwrap(blob_OR_value));
+          return;
+        } else {
+          _ptr.append(LevelDom.unwrap(blob_OR_value), endings);
+          return;
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
-  Blob getBlob(String contentType) {
-    return LevelDom.wrapBlob(_ptr.getBlob(contentType));
+  Blob getBlob([String contentType = null]) {
+    if (contentType === null) {
+      return LevelDom.wrapBlob(_ptr.getBlob());
+    } else {
+      return LevelDom.wrapBlob(_ptr.getBlob(contentType));
+    }
   }
-
-  String get typeName() { return "BlobBuilder"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class BlobWrappingImplementation extends DOMWrapperBase implements Blob {
   BlobWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get size() { return _ptr.size; }
 
   String get type() { return _ptr.type; }
-
-  String get typeName() { return "Blob"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-class BlockquoteElementWrappingImplementation extends ElementWrappingImplementation implements BlockquoteElement {
-  BlockquoteElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get cite() { return _ptr.cite; }
-
-  void set cite(String value) { _ptr.cite = value; }
-
-  String get typeName() { return "BlockquoteElement"; }
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ButtonElementWrappingImplementation extends ElementWrappingImplementation implements ButtonElement {
   ButtonElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get accessKey() { return _ptr.accessKey; }
 
   void set accessKey(String value) { _ptr.accessKey = value; }
@@ skipping 52 matching lines @@
 
   void click() {
     _ptr.click();
     return;
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "ButtonElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CDATASectionWrappingImplementation extends TextWrappingImplementation implements CDATASection {
   CDATASectionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "CDATASection"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSCharsetRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSCharsetRule {
   CSSCharsetRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get encoding() { return _ptr.encoding; }
 
   void set encoding(String value) { _ptr.encoding = value; }
-
-  String get typeName() { return "CSSCharsetRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSFontFaceRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSFontFaceRule {
   CSSFontFaceRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSStyleDeclaration get style() { return LevelDom.wrapCSSStyleDeclaration(_ptr.style); }
-
-  String get typeName() { return "CSSFontFaceRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSImportRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSImportRule {
   CSSImportRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get href() { return _ptr.href; }
 
   MediaList get media() { return LevelDom.wrapMediaList(_ptr.media); }
 
   CSSStyleSheet get styleSheet() { return LevelDom.wrapCSSStyleSheet(_ptr.styleSheet); }
-
-  String get typeName() { return "CSSImportRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSKeyframeRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSKeyframeRule {
   CSSKeyframeRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get keyText() { return _ptr.keyText; }
 
   void set keyText(String value) { _ptr.keyText = value; }
 
   CSSStyleDeclaration get style() { return LevelDom.wrapCSSStyleDeclaration(_ptr.style); }
-
-  String get typeName() { return "CSSKeyframeRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSKeyframesRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSKeyframesRule {
   CSSKeyframesRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSRuleList get cssRules() { return LevelDom.wrapCSSRuleList(_ptr.cssRules); }
 
   String get name() { return _ptr.name; }
 
   void set name(String value) { _ptr.name = value; }
 
   void deleteRule(String key) {
     _ptr.deleteRule(key);
     return;
   }
 
   CSSKeyframeRule findRule(String key) {
     return LevelDom.wrapCSSKeyframeRule(_ptr.findRule(key));
   }
 
   void insertRule(String rule) {
     _ptr.insertRule(rule);
     return;
   }
-
-  String get typeName() { return "CSSKeyframesRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSMatrixWrappingImplementation extends DOMWrapperBase implements CSSMatrix {
   CSSMatrixWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-  factory CSSMatrixWrappingImplementation([String cssValue = null]) {
-    
-    if (cssValue === null) {
-      return LevelDom.wrapCSSMatrix(_rawWindow.createWebKitCSSMatrix());
-    } else {
-      return LevelDom.wrapCSSMatrix(_rawWindow.createWebKitCSSMatrix(cssValue));
-    }
-  }
 
   num get a() { return _ptr.a; }
 
   void set a(num value) { _ptr.a = value; }
 
   num get b() { return _ptr.b; }
 
   void set b(num value) { _ptr.b = value; }
 
   num get c() { return _ptr.c; }
@@ skipping 109 matching lines @@
     return LevelDom.wrapCSSMatrix(_ptr.skewY(angle));
   }
 
   String toString() {
     return _ptr.toString();
   }
 
   CSSMatrix translate(num x, num y, num z) {
     return LevelDom.wrapCSSMatrix(_ptr.translate(x, y, z));
   }
-
-  String get typeName() { return "CSSMatrix"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSMediaRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSMediaRule {
   CSSMediaRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSRuleList get cssRules() { return LevelDom.wrapCSSRuleList(_ptr.cssRules); }
 
   MediaList get media() { return LevelDom.wrapMediaList(_ptr.media); }
 
   void deleteRule(int index) {
     _ptr.deleteRule(index);
     return;
   }
 
   int insertRule(String rule, int index) {
     return _ptr.insertRule(rule, index);
   }
-
-  String get typeName() { return "CSSMediaRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSPageRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSPageRule {
   CSSPageRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get selectorText() { return _ptr.selectorText; }
 
   void set selectorText(String value) { _ptr.selectorText = value; }
 
   CSSStyleDeclaration get style() { return LevelDom.wrapCSSStyleDeclaration(_ptr.style); }
-
-  String get typeName() { return "CSSPageRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSPrimitiveValueWrappingImplementation extends CSSValueWrappingImplementation implements CSSPrimitiveValue {
   CSSPrimitiveValueWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 21 matching lines @@
 
   void setFloatValue(int unitType, num floatValue) {
     _ptr.setFloatValue(unitType, floatValue);
     return;
   }
 
   void setStringValue(int stringType, String stringValue) {
     _ptr.setStringValue(stringType, stringValue);
     return;
   }
-
-  String get typeName() { return "CSSPrimitiveValue"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSRuleListWrappingImplementation extends DOMWrapperBase implements CSSRuleList {
   CSSRuleListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   CSSRule item(int index) {
     return LevelDom.wrapCSSRule(_ptr.item(index));
   }
-
-  String get typeName() { return "CSSRuleList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSRuleWrappingImplementation extends DOMWrapperBase implements CSSRule {
   CSSRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get cssText() { return _ptr.cssText; }
 
   void set cssText(String value) { _ptr.cssText = value; }
 
   CSSRule get parentRule() { return LevelDom.wrapCSSRule(_ptr.parentRule); }
 
   CSSStyleSheet get parentStyleSheet() { return LevelDom.wrapCSSStyleSheet(_ptr.parentStyleSheet); }
 
   int get type() { return _ptr.type; }
-
-  String get typeName() { return "CSSRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSStyleRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSStyleRule {
   CSSStyleRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get selectorText() { return _ptr.selectorText; }
 
   void set selectorText(String value) { _ptr.selectorText = value; }
 
   CSSStyleDeclaration get style() { return LevelDom.wrapCSSStyleDeclaration(_ptr.style); }
-
-  String get typeName() { return "CSSStyleRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSStyleSheetWrappingImplementation extends StyleSheetWrappingImplementation implements CSSStyleSheet {
   CSSStyleSheetWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSRuleList get cssRules() { return LevelDom.wrapCSSRuleList(_ptr.cssRules); }
 
   CSSRule get ownerRule() { return LevelDom.wrapCSSRule(_ptr.ownerRule); }
 
   CSSRuleList get rules() { return LevelDom.wrapCSSRuleList(_ptr.rules); }
 
-  int addRule(String selector, String style, int index) {
-    return _ptr.addRule(selector, style, index);
+  int addRule(String selector, String style, [int index = null]) {
+    if (index === null) {
+      return _ptr.addRule(selector, style);
+    } else {
+      return _ptr.addRule(selector, style, index);
+    }
   }
 
   void deleteRule(int index) {
     _ptr.deleteRule(index);
     return;
   }
 
   int insertRule(String rule, int index) {
     return _ptr.insertRule(rule, index);
   }
 
   void removeRule(int index) {
     _ptr.removeRule(index);
     return;
   }
-
-  String get typeName() { return "CSSStyleSheet"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSTransformValueWrappingImplementation extends CSSValueListWrappingImplementation implements CSSTransformValue {
   CSSTransformValueWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get operationType() { return _ptr.operationType; }
-
-  String get typeName() { return "CSSTransformValue"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSUnknownRuleWrappingImplementation extends CSSRuleWrappingImplementation implements CSSUnknownRule {
   CSSUnknownRuleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "CSSUnknownRule"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSValueListWrappingImplementation extends CSSValueWrappingImplementation implements CSSValueList {
   CSSValueListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   CSSValue item(int index) {
     return LevelDom.wrapCSSValue(_ptr.item(index));
   }
-
-  String get typeName() { return "CSSValueList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CSSValueWrappingImplementation extends DOMWrapperBase implements CSSValue {
   CSSValueWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get cssText() { return _ptr.cssText; }
 
   void set cssText(String value) { _ptr.cssText = value; }
 
   int get cssValueType() { return _ptr.cssValueType; }
-
-  String get typeName() { return "CSSValue"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasElementWrappingImplementation extends ElementWrappingImplementation implements CanvasElement {
   CanvasElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get height() { return _ptr.height; }
 
   void set height(int value) { _ptr.height = value; }
 
   int get width() { return _ptr.width; }
 
   void set width(int value) { _ptr.width = value; }
 
   CanvasRenderingContext getContext([String contextId = null]) {
-    return LevelDom.wrapCanvasRenderingContext(_ptr.getContext(contextId));
+    if (contextId === null) {
+      return LevelDom.wrapCanvasRenderingContext(_ptr.getContext());
+    } else {
+      return LevelDom.wrapCanvasRenderingContext(_ptr.getContext(contextId));
+    }
   }
 
-  String toDataURL([String type = null]) {
+  String toDataURL(String type) {
     return _ptr.toDataURL(type);
   }
-
-  String get typeName() { return "CanvasElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasGradientWrappingImplementation extends DOMWrapperBase implements CanvasGradient {
   CanvasGradientWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void addColorStop(num offset, String color) {
     _ptr.addColorStop(offset, color);
     return;
   }
-
-  String get typeName() { return "CanvasGradient"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasPatternWrappingImplementation extends DOMWrapperBase implements CanvasPattern {
   CanvasPatternWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "CanvasPattern"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasPixelArrayWrappingImplementation extends DOMWrapperBase implements CanvasPixelArray {
   CanvasPixelArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   int operator[](int index) {
     return item(index);
   }
 
   void operator[]=(int index, int value) {
-    throw new UnsupportedOperationException("Cannot assign element of immutable Array.");
+    throw new UnsupportedOperationException("Cannot assign element of immutable List.");
   }
 
   void add(int value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addLast(int value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addAll(Collection<int> collection) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void sort(int compare(int a, int b)) {
-    throw new UnsupportedOperationException("Cannot sort immutable Array.");
+    throw new UnsupportedOperationException("Cannot sort immutable List.");
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw new UnsupportedOperationException("This object is immutable.");
   }
 
   int indexOf(int element, int startIndex) {
     return _Lists.indexOf(this, element, startIndex, this.length);
   }
 
   int lastIndexOf(int element, int startIndex) {
     return _Lists.lastIndexOf(this, element, startIndex);
   }
 
   int clear() {
-    throw new UnsupportedOperationException("Cannot clear immutable Array.");
+    throw new UnsupportedOperationException("Cannot clear immutable List.");
   }
 
   int removeLast() {
-    throw new UnsupportedOperationException("Cannot removeLast on immutable Array.");
+    throw new UnsupportedOperationException("Cannot removeLast on immutable List.");
   }
 
   int last() {
     return this[length - 1];
   }
 
   void forEach(void f(int element)) {
     _Collections.forEach(this, f);
   }
 
   Collection<int> filter(bool f(int element)) {
     return _Collections.filter(this, new List<int>(), f);
   }
 
   bool every(bool f(int element)) {
     return _Collections.every(this, f);
   }
 
   bool some(bool f(int element)) {
     return _Collections.some(this, f);
   }
 
+  void setRange(int start, int length, List<int> from, [int startFrom]) {
+    throw new UnsupportedOperationException("Cannot setRange on immutable List.");
+  }
+
+  void removeRange(int start, int length) {
+    throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
+  }
+
+  void insertRange(int start, int length, [int initialValue]) {
+    throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
+  }
+
+  List<int> getRange(int start, int length) {
+    throw new NotImplementedException();
+  }
+
   bool isEmpty() {
     return length == 0;
   }
 
   Iterator<int> iterator() {
     return new _FixedSizeListIterator<int>(this);
   }
 
   int item(int index) {
     return _ptr.item(index);
   }
-
-  String get typeName() { return "CanvasPixelArray"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasRenderingContext2DWrappingImplementation extends CanvasRenderingContextWrappingImplementation implements CanvasRenderingContext2D {
   CanvasRenderingContext2DWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 83 matching lines @@
     _ptr.clip();
     return;
   }
 
   void closePath() {
     _ptr.closePath();
     return;
   }
 
   ImageData createImageData(var imagedata_OR_sw, [num sh = null]) {
-    if (imagedata_OR_sw is num) {
-      return LevelDom.wrapImageData(_ptr.createImageData(LevelDom.unwrap(imagedata_OR_sw), sh));
+    if (imagedata_OR_sw is ImageData) {
+      if (sh === null) {
+        return LevelDom.wrapImageData(_ptr.createImageData(LevelDom.unwrap(imagedata_OR_sw)));
+      }
+    } else {
+      if (imagedata_OR_sw is num) {
+        return LevelDom.wrapImageData(_ptr.createImageData(LevelDom.unwrap(imagedata_OR_sw), sh));
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   CanvasGradient createLinearGradient(num x0, num y0, num x1, num y1) {
     return LevelDom.wrapCanvasGradient(_ptr.createLinearGradient(x0, y0, x1, y1));
   }
 
   CanvasPattern createPattern(var canvas_OR_image, String repetitionType) {
-    if (canvas_OR_image is ImageElement) {
+    if (canvas_OR_image is CanvasElement) {
       return LevelDom.wrapCanvasPattern(_ptr.createPattern(LevelDom.unwrap(canvas_OR_image), repetitionType));
+    } else {
+      if (canvas_OR_image is ImageElement) {
+        return LevelDom.wrapCanvasPattern(_ptr.createPattern(LevelDom.unwrap(canvas_OR_image), repetitionType));
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   CanvasGradient createRadialGradient(num x0, num y0, num r0, num x1, num y1, num r1) {
     return LevelDom.wrapCanvasGradient(_ptr.createRadialGradient(x0, y0, r0, x1, y1, r1));
   }
 
   void drawImage(var canvas_OR_image, num sx_OR_x, num sy_OR_y, [num sw_OR_width = null, num height_OR_sh = null, num dx = null, num dy = null, num dw = null, num dh = null]) {
-    if (canvas_OR_image is CanvasElement) {
-      _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh, dx, dy, dw, dh);
-      return;
+    if (canvas_OR_image is ImageElement) {
+      if (sw_OR_width === null) {
+        if (height_OR_sh === null) {
+          if (dx === null) {
+            if (dy === null) {
+              if (dw === null) {
+                if (dh === null) {
+                  _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y);
+                  return;
+                }
+              }
+            }
+          }
+        }
+      } else {
+        if (dx === null) {
+          if (dy === null) {
+            if (dw === null) {
+              if (dh === null) {
+                _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh);
+                return;
+              }
+            }
+          }
+        } else {
+          _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh, dx, dy, dw, dh);
+          return;
+        }
+      }
+    } else {
+      if (canvas_OR_image is CanvasElement) {
+        if (sw_OR_width === null) {
+          if (height_OR_sh === null) {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y);
+                    return;
+                  }
+                }
+              }
+            }
+          }
+        } else {
+          if (dx === null) {
+            if (dy === null) {
+              if (dw === null) {
+                if (dh === null) {
+                  _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh);
+                  return;
+                }
+              }
+            }
+          } else {
+            _ptr.drawImage(LevelDom.unwrap(canvas_OR_image), sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh, dx, dy, dw, dh);
+            return;
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void drawImageFromRect(ImageElement image, [num sx = null, num sy = null, num sw = null, num sh = null, num dx = null, num dy = null, num dw = null, num dh = null, String compositeOperation = null]) {
-    _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx, dy, dw, dh, compositeOperation);
-    return;
+    if (sx === null) {
+      if (sy === null) {
+        if (sw === null) {
+          if (sh === null) {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image));
+                      return;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    } else {
+      if (sy === null) {
+        if (sw === null) {
+          if (sh === null) {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx);
+                      return;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      } else {
+        if (sw === null) {
+          if (sh === null) {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy);
+                      return;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        } else {
+          if (sh === null) {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw);
+                      return;
+                    }
+                  }
+                }
+              }
+            }
+          } else {
+            if (dx === null) {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh);
+                      return;
+                    }
+                  }
+                }
+              }
+            } else {
+              if (dy === null) {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx);
+                      return;
+                    }
+                  }
+                }
+              } else {
+                if (dw === null) {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx, dy);
+                      return;
+                    }
+                  }
+                } else {
+                  if (dh === null) {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx, dy, dw);
+                      return;
+                    }
+                  } else {
+                    if (compositeOperation === null) {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx, dy, dw, dh);
+                      return;
+                    } else {
+                      _ptr.drawImageFromRect(LevelDom.unwrap(image), sx, sy, sw, sh, dx, dy, dw, dh, compositeOperation);
+                      return;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
   void fill() {
     _ptr.fill();
     return;
   }
 
   void fillRect(num x, num y, num width, num height) {
     _ptr.fillRect(x, y, width, height);
     return;
   }
 
   void fillText(String text, num x, num y, [num maxWidth = null]) {
-    _ptr.fillText(text, x, y, maxWidth);
-    return;
+    if (maxWidth === null) {
+      _ptr.fillText(text, x, y);
+      return;
+    } else {
+      _ptr.fillText(text, x, y, maxWidth);
+      return;
+    }
   }
 
   ImageData getImageData(num sx, num sy, num sw, num sh) {
     return LevelDom.wrapImageData(_ptr.getImageData(sx, sy, sw, sh));
   }
 
   bool isPointInPath(num x, num y) {
     return _ptr.isPointInPath(x, y);
   }
 
   void lineTo(num x, num y) {
     _ptr.lineTo(x, y);
     return;
   }
 
   TextMetrics measureText(String text) {
     return LevelDom.wrapTextMetrics(_ptr.measureText(text));
   }
 
   void moveTo(num x, num y) {
     _ptr.moveTo(x, y);
     return;
   }
 
   void putImageData(ImageData imagedata, num dx, num dy, [num dirtyX = null, num dirtyY = null, num dirtyWidth = null, num dirtyHeight = null]) {
-    _ptr.putImageData(LevelDom.unwrap(imagedata), dx, dy, dirtyX, dirtyY, dirtyWidth, dirtyHeight);
-    return;
+    if (dirtyX === null) {
+      if (dirtyY === null) {
+        if (dirtyWidth === null) {
+          if (dirtyHeight === null) {
+            _ptr.putImageData(LevelDom.unwrap(imagedata), dx, dy);
+            return;
+          }
+        }
+      }
+    } else {
+      _ptr.putImageData(LevelDom.unwrap(imagedata), dx, dy, dirtyX, dirtyY, dirtyWidth, dirtyHeight);
+      return;
+    }
+    throw "Incorrect number or type of arguments";
   }
 
   void quadraticCurveTo(num cpx, num cpy, num x, num y) {
     _ptr.quadraticCurveTo(cpx, cpy, x, y);
     return;
   }
 
   void rect(num x, num y, num width, num height) {
     _ptr.rect(x, y, width, height);
     return;
@@ skipping 23 matching lines @@
     _ptr.setAlpha(alpha);
     return;
   }
 
   void setCompositeOperation(String compositeOperation) {
     _ptr.setCompositeOperation(compositeOperation);
     return;
   }
 
   void setFillColor(var c_OR_color_OR_grayLevel_OR_r, [num alpha_OR_g_OR_m = null, num b_OR_y = null, num a_OR_k = null, num a = null]) {
-    if (c_OR_color_OR_grayLevel_OR_r is num) {
-      _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
-      return;
+    if (c_OR_color_OR_grayLevel_OR_r is String) {
+      if (alpha_OR_g_OR_m === null) {
+        if (b_OR_y === null) {
+          if (a_OR_k === null) {
+            if (a === null) {
+              _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+              return;
+            }
+          }
+        }
+      } else {
+        if (b_OR_y === null) {
+          if (a_OR_k === null) {
+            if (a === null) {
+              _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+              return;
+            }
+          }
+        }
+      }
+    } else {
+      if (c_OR_color_OR_grayLevel_OR_r is num) {
+        if (alpha_OR_g_OR_m === null) {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+                return;
+              }
+            }
+          }
+        } else {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+                return;
+              }
+            }
+          } else {
+            if (a === null) {
+              _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k);
+              return;
+            } else {
+              _ptr.setFillColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
+              return;
+            }
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void setFillStyle(var color_OR_gradient_OR_pattern) {
-    if (color_OR_gradient_OR_pattern is CanvasPattern) {
+    if (color_OR_gradient_OR_pattern is String) {
       _ptr.setFillStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
       return;
+    } else {
+      if (color_OR_gradient_OR_pattern is CanvasGradient) {
+        _ptr.setFillStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
+        return;
+      } else {
+        if (color_OR_gradient_OR_pattern is CanvasPattern) {
+          _ptr.setFillStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
+          return;
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void setLineCap(String cap) {
     _ptr.setLineCap(cap);
     return;
   }
 
   void setLineJoin(String join) {
     _ptr.setLineJoin(join);
     return;
   }
 
   void setLineWidth(num width) {
     _ptr.setLineWidth(width);
     return;
   }
 
   void setMiterLimit(num limit) {
     _ptr.setMiterLimit(limit);
     return;
   }
 
   void setShadow(num width, num height, num blur, [var c_OR_color_OR_grayLevel_OR_r = null, num alpha_OR_g_OR_m = null, num b_OR_y = null, num a_OR_k = null, num a = null]) {
-    if (c_OR_color_OR_grayLevel_OR_r is num) {
-      _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
-      return;
+    if (c_OR_color_OR_grayLevel_OR_r === null) {
+      if (alpha_OR_g_OR_m === null) {
+        if (b_OR_y === null) {
+          if (a_OR_k === null) {
+            if (a === null) {
+              _ptr.setShadow(width, height, blur);
+              return;
+            }
+          }
+        }
+      }
+    } else {
+      if (c_OR_color_OR_grayLevel_OR_r is String) {
+        if (alpha_OR_g_OR_m === null) {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+                return;
+              }
+            }
+          }
+        } else {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+                return;
+              }
+            }
+          }
+        }
+      } else {
+        if (c_OR_color_OR_grayLevel_OR_r is num) {
+          if (alpha_OR_g_OR_m === null) {
+            if (b_OR_y === null) {
+              if (a_OR_k === null) {
+                if (a === null) {
+                  _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+                  return;
+                }
+              }
+            }
+          } else {
+            if (b_OR_y === null) {
+              if (a_OR_k === null) {
+                if (a === null) {
+                  _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+                  return;
+                }
+              }
+            } else {
+              if (a === null) {
+                _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k);
+                return;
+              } else {
+                _ptr.setShadow(width, height, blur, LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
+                return;
+              }
+            }
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void setStrokeColor(var c_OR_color_OR_grayLevel_OR_r, [num alpha_OR_g_OR_m = null, num b_OR_y = null, num a_OR_k = null, num a = null]) {
-    if (c_OR_color_OR_grayLevel_OR_r is num) {
-      _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
-      return;
+    if (c_OR_color_OR_grayLevel_OR_r is String) {
+      if (alpha_OR_g_OR_m === null) {
+        if (b_OR_y === null) {
+          if (a_OR_k === null) {
+            if (a === null) {
+              _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+              return;
+            }
+          }
+        }
+      } else {
+        if (b_OR_y === null) {
+          if (a_OR_k === null) {
+            if (a === null) {
+              _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+              return;
+            }
+          }
+        }
+      }
+    } else {
+      if (c_OR_color_OR_grayLevel_OR_r is num) {
+        if (alpha_OR_g_OR_m === null) {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r));
+                return;
+              }
+            }
+          }
+        } else {
+          if (b_OR_y === null) {
+            if (a_OR_k === null) {
+              if (a === null) {
+                _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m);
+                return;
+              }
+            }
+          } else {
+            if (a === null) {
+              _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k);
+              return;
+            } else {
+              _ptr.setStrokeColor(LevelDom.unwrap(c_OR_color_OR_grayLevel_OR_r), alpha_OR_g_OR_m, b_OR_y, a_OR_k, a);
+              return;
+            }
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void setStrokeStyle(var color_OR_gradient_OR_pattern) {
-    if (color_OR_gradient_OR_pattern is CanvasPattern) {
+    if (color_OR_gradient_OR_pattern is String) {
       _ptr.setStrokeStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
       return;
+    } else {
+      if (color_OR_gradient_OR_pattern is CanvasGradient) {
+        _ptr.setStrokeStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
+        return;
+      } else {
+        if (color_OR_gradient_OR_pattern is CanvasPattern) {
+          _ptr.setStrokeStyle(LevelDom.unwrap(color_OR_gradient_OR_pattern));
+          return;
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void setTransform(num m11, num m12, num m21, num m22, num dx, num dy) {
     _ptr.setTransform(m11, m12, m21, m22, dx, dy);
     return;
   }
 
   void stroke() {
     _ptr.stroke();
     return;
   }
 
   void strokeRect(num x, num y, num width, num height, [num lineWidth = null]) {
-    _ptr.strokeRect(x, y, width, height, lineWidth);
-    return;
+    if (lineWidth === null) {
+      _ptr.strokeRect(x, y, width, height);
+      return;
+    } else {
+      _ptr.strokeRect(x, y, width, height, lineWidth);
+      return;
+    }
   }
 
   void strokeText(String text, num x, num y, [num maxWidth = null]) {
-    _ptr.strokeText(text, x, y, maxWidth);
-    return;
+    if (maxWidth === null) {
+      _ptr.strokeText(text, x, y);
+      return;
+    } else {
+      _ptr.strokeText(text, x, y, maxWidth);
+      return;
+    }
   }
 
   void transform(num m11, num m12, num m21, num m22, num dx, num dy) {
     _ptr.transform(m11, m12, m21, m22, dx, dy);
     return;
   }
 
   void translate(num tx, num ty) {
     _ptr.translate(tx, ty);
     return;
   }
-
-  String get typeName() { return "CanvasRenderingContext2D"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CanvasRenderingContextWrappingImplementation extends DOMWrapperBase implements CanvasRenderingContext {
   CanvasRenderingContextWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CanvasElement get canvas() { return LevelDom.wrapCanvasElement(_ptr.canvas); }
-
-  String get typeName() { return "CanvasRenderingContext"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CharacterDataWrappingImplementation extends NodeWrappingImplementation implements CharacterData {
   CharacterDataWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 19 matching lines @@
   }
 
   void replaceData(int offset, int length, String data) {
     _ptr.replaceData(offset, length, data);
     return;
   }
 
   String substringData(int offset, int length) {
     return _ptr.substringData(offset, length);
   }
-
-  String get typeName() { return "CharacterData"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ClientRectListWrappingImplementation extends DOMWrapperBase implements ClientRectList {
   ClientRectListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   ClientRect item(int index) {
     return LevelDom.wrapClientRect(_ptr.item(index));
   }
-
-  String get typeName() { return "ClientRectList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ClientRectWrappingImplementation extends DOMWrapperBase implements ClientRect {
   ClientRectWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get bottom() { return _ptr.bottom; }
 
   num get height() { return _ptr.height; }
 
   num get left() { return _ptr.left; }
 
   num get right() { return _ptr.right; }
 
   num get top() { return _ptr.top; }
 
   num get width() { return _ptr.width; }
-
-  String get typeName() { return "ClientRect"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ClipboardWrappingImplementation extends DOMWrapperBase implements Clipboard {
   ClipboardWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get dropEffect() { return _ptr.dropEffect; }
 
   void set dropEffect(String value) { _ptr.dropEffect = value; }
 
   String get effectAllowed() { return _ptr.effectAllowed; }
 
   void set effectAllowed(String value) { _ptr.effectAllowed = value; }
 
   FileList get files() { return LevelDom.wrapFileList(_ptr.files); }
 
   DataTransferItems get items() { return LevelDom.wrapDataTransferItems(_ptr.items); }
 
-  void clearData(String type) {
-    _ptr.clearData(type);
-    return;
+  void clearData([String type = null]) {
+    if (type === null) {
+      _ptr.clearData();
+      return;
+    } else {
+      _ptr.clearData(type);
+      return;
+    }
   }
 
   void getData(String type) {
     _ptr.getData(type);
     return;
   }
 
   bool setData(String type, String data) {
     return _ptr.setData(type, data);
   }
 
   void setDragImage(ImageElement image, int x, int y) {
     _ptr.setDragImage(LevelDom.unwrap(image), x, y);
     return;
   }
-
-  String get typeName() { return "Clipboard"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CloseEventWrappingImplementation extends EventWrappingImplementation implements CloseEvent {
   CloseEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get reason() { return _ptr.reason; }
 
   bool get wasClean() { return _ptr.wasClean; }
 
   void initCloseEvent(String typeArg, bool canBubbleArg, bool cancelableArg, bool wasCleanArg, int codeArg, String reasonArg) {
     _ptr.initCloseEvent(typeArg, canBubbleArg, cancelableArg, wasCleanArg, codeArg, reasonArg);
     return;
   }
-
-  String get typeName() { return "CloseEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CommentWrappingImplementation extends CharacterDataWrappingImplementation implements Comment {
   CommentWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "Comment"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CompositionEventWrappingImplementation extends UIEventWrappingImplementation implements CompositionEvent {
   CompositionEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get data() { return _ptr.data; }
 
   void initCompositionEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Window viewArg, String dataArg) {
     _ptr.initCompositionEvent(typeArg, canBubbleArg, cancelableArg, LevelDom.unwrap(viewArg), dataArg);
     return;
   }
-
-  String get typeName() { return "CompositionEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ConsoleWrappingImplementation extends DOMWrapperBase implements Console {
   ConsoleWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 69 matching lines @@
 
   void trace(Object arg) {
     _ptr.trace(LevelDom.unwrapMaybePrimitive(arg));
     return;
   }
 
   void warn(Object arg) {
     _ptr.warn(LevelDom.unwrapMaybePrimitive(arg));
     return;
   }
-
-  String get typeName() { return "Console"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CoordinatesWrappingImplementation extends DOMWrapperBase implements Coordinates {
   CoordinatesWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get accuracy() { return _ptr.accuracy; }
 
   num get altitude() { return _ptr.altitude; }
 
   num get altitudeAccuracy() { return _ptr.altitudeAccuracy; }
 
   num get heading() { return _ptr.heading; }
 
   num get latitude() { return _ptr.latitude; }
 
   num get longitude() { return _ptr.longitude; }
 
   num get speed() { return _ptr.speed; }
-
-  String get typeName() { return "Coordinates"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CounterWrappingImplementation extends DOMWrapperBase implements Counter {
   CounterWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get identifier() { return _ptr.identifier; }
 
   String get listStyle() { return _ptr.listStyle; }
 
   String get separator() { return _ptr.separator; }
-
-  String get typeName() { return "Counter"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CryptoWrappingImplementation extends DOMWrapperBase implements Crypto {
   CryptoWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void getRandomValues(ArrayBufferView array) {
     _ptr.getRandomValues(LevelDom.unwrap(array));
     return;
   }
-
-  String get typeName() { return "Crypto"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class CustomEventWrappingImplementation extends EventWrappingImplementation implements CustomEvent {
   CustomEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get detail() { return _ptr.detail; }
 
   void initCustomEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Object detailArg) {
     _ptr.initCustomEvent(typeArg, canBubbleArg, cancelableArg, LevelDom.unwrapMaybePrimitive(detailArg));
     return;
   }
-
-  String get typeName() { return "CustomEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DListElementWrappingImplementation extends ElementWrappingImplementation implements DListElement {
   DListElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get compact() { return _ptr.compact; }
 
   void set compact(bool value) { _ptr.compact = value; }
-
-  String get typeName() { return "DListElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMExceptionWrappingImplementation extends DOMWrapperBase implements DOMException {
   DOMExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "DOMException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMFileSystemSyncWrappingImplementation extends DOMWrapperBase implements DOMFileSystemSync {
   DOMFileSystemSyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get name() { return _ptr.name; }
 
   DirectoryEntrySync get root() { return LevelDom.wrapDirectoryEntrySync(_ptr.root); }
-
-  String get typeName() { return "DOMFileSystemSync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMFileSystemWrappingImplementation extends DOMWrapperBase implements DOMFileSystem {
   DOMFileSystemWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get name() { return _ptr.name; }
 
   DirectoryEntry get root() { return LevelDom.wrapDirectoryEntry(_ptr.root); }
-
-  String get typeName() { return "DOMFileSystem"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMFormDataWrappingImplementation extends DOMWrapperBase implements DOMFormData {
   DOMFormDataWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void append(String name, String value) {
     _ptr.append(name, value);
     return;
   }
-
-  String get typeName() { return "DOMFormData"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMMimeTypeArrayWrappingImplementation extends DOMWrapperBase implements DOMMimeTypeArray {
   DOMMimeTypeArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   DOMMimeType item(int index) {
     return LevelDom.wrapDOMMimeType(_ptr.item(index));
   }
 
   DOMMimeType namedItem(String name) {
     return LevelDom.wrapDOMMimeType(_ptr.namedItem(name));
   }
-
-  String get typeName() { return "DOMMimeTypeArray"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMMimeTypeWrappingImplementation extends DOMWrapperBase implements DOMMimeType {
   DOMMimeTypeWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get description() { return _ptr.description; }
 
   DOMPlugin get enabledPlugin() { return LevelDom.wrapDOMPlugin(_ptr.enabledPlugin); }
 
   String get suffixes() { return _ptr.suffixes; }
 
   String get type() { return _ptr.type; }
-
-  String get typeName() { return "DOMMimeType"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMParserWrappingImplementation extends DOMWrapperBase implements DOMParser {
   DOMParserWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   Document parseFromString(String str, String contentType) {
     return LevelDom.wrapDocument(_ptr.parseFromString(str, contentType));
   }
-
-  String get typeName() { return "DOMParser"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMPluginArrayWrappingImplementation extends DOMWrapperBase implements DOMPluginArray {
   DOMPluginArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   DOMPlugin item(int index) {
     return LevelDom.wrapDOMPlugin(_ptr.item(index));
   }
 
   DOMPlugin namedItem(String name) {
     return LevelDom.wrapDOMPlugin(_ptr.namedItem(name));
   }
 
   void refresh(bool reload) {
     _ptr.refresh(reload);
     return;
   }
-
-  String get typeName() { return "DOMPluginArray"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMPluginWrappingImplementation extends DOMWrapperBase implements DOMPlugin {
   DOMPluginWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get description() { return _ptr.description; }
 
   String get filename() { return _ptr.filename; }
 
   int get length() { return _ptr.length; }
 
   String get name() { return _ptr.name; }
 
   DOMMimeType item(int index) {
     return LevelDom.wrapDOMMimeType(_ptr.item(index));
   }
 
   DOMMimeType namedItem(String name) {
     return LevelDom.wrapDOMMimeType(_ptr.namedItem(name));
   }
-
-  String get typeName() { return "DOMPlugin"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMSelectionWrappingImplementation extends DOMWrapperBase implements DOMSelection {
   DOMSelectionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 79 matching lines @@
 
   void setBaseAndExtent(Node baseNode, int baseOffset, Node extentNode, int extentOffset) {
     _ptr.setBaseAndExtent(LevelDom.unwrap(baseNode), baseOffset, LevelDom.unwrap(extentNode), extentOffset);
     return;
   }
 
   void setPosition(Node node, int offset) {
     _ptr.setPosition(LevelDom.unwrap(node), offset);
     return;
   }
-
-  String get typeName() { return "DOMSelection"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMSettableTokenListWrappingImplementation extends DOMTokenListWrappingImplementation implements DOMSettableTokenList {
   DOMSettableTokenListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get value() { return _ptr.value; }
 
   void set value(String value) { _ptr.value = value; }
-
-  String get typeName() { return "DOMSettableTokenList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMTokenListWrappingImplementation extends DOMWrapperBase implements DOMTokenList {
   DOMTokenListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 13 matching lines @@
   }
 
   void remove(String token) {
     _ptr.remove(token);
     return;
   }
 
   bool toggle(String token) {
     return _ptr.toggle(token);
   }
-
-  String get typeName() { return "DOMTokenList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DOMURLWrappingImplementation extends DOMWrapperBase implements DOMURL {
   DOMURLWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String createObjectURL(Blob blob) {
     return _ptr.createObjectURL(LevelDom.unwrap(blob));
   }
 
   void revokeObjectURL(String url) {
     _ptr.revokeObjectURL(url);
     return;
   }
-
-  String get typeName() { return "DOMURL"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DataListElementWrappingImplementation extends ElementWrappingImplementation implements DataListElement {
   DataListElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   ElementList get options() { return LevelDom.wrapElementList(_ptr.options); }
-
-  String get typeName() { return "DataListElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DataTransferItemWrappingImplementation extends DOMWrapperBase implements DataTransferItem {
   DataTransferItemWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get kind() { return _ptr.kind; }
 
   String get type() { return _ptr.type; }
 
   Blob getAsFile() {
     return LevelDom.wrapBlob(_ptr.getAsFile());
   }
 
   void getAsString(StringCallback callback) {
     _ptr.getAsString(LevelDom.unwrap(callback));
     return;
   }
-
-  String get typeName() { return "DataTransferItem"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DataTransferItemsWrappingImplementation extends DOMWrapperBase implements DataTransferItems {
   DataTransferItemsWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   void add(String data, String type) {
     _ptr.add(data, type);
     return;
   }
 
   void clear() {
     _ptr.clear();
     return;
   }
 
   DataTransferItem item(int index) {
     return LevelDom.wrapDataTransferItem(_ptr.item(index));
   }
-
-  String get typeName() { return "DataTransferItems"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DataViewWrappingImplementation extends ArrayBufferViewWrappingImplementation implements DataView {
   DataViewWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  num getFloat32(int byteOffset, bool littleEndian) {
-    return _ptr.getFloat32(byteOffset, littleEndian);
+  num getFloat32(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getFloat32(byteOffset);
+    } else {
+      return _ptr.getFloat32(byteOffset, littleEndian);
+    }
   }
 
-  num getFloat64(int byteOffset, bool littleEndian) {
-    return _ptr.getFloat64(byteOffset, littleEndian);
+  num getFloat64(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getFloat64(byteOffset);
+    } else {
+      return _ptr.getFloat64(byteOffset, littleEndian);
+    }
   }
 
-  int getInt16(int byteOffset, bool littleEndian) {
-    return _ptr.getInt16(byteOffset, littleEndian);
+  int getInt16(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getInt16(byteOffset);
+    } else {
+      return _ptr.getInt16(byteOffset, littleEndian);
+    }
   }
 
-  int getInt32(int byteOffset, bool littleEndian) {
-    return _ptr.getInt32(byteOffset, littleEndian);
+  int getInt32(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getInt32(byteOffset);
+    } else {
+      return _ptr.getInt32(byteOffset, littleEndian);
+    }
   }
 
   int getInt8() {
     return _ptr.getInt8();
   }
 
-  int getUint16(int byteOffset, bool littleEndian) {
-    return _ptr.getUint16(byteOffset, littleEndian);
+  int getUint16(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getUint16(byteOffset);
+    } else {
+      return _ptr.getUint16(byteOffset, littleEndian);
+    }
   }
 
-  int getUint32(int byteOffset, bool littleEndian) {
-    return _ptr.getUint32(byteOffset, littleEndian);
+  int getUint32(int byteOffset, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      return _ptr.getUint32(byteOffset);
+    } else {
+      return _ptr.getUint32(byteOffset, littleEndian);
+    }
   }
 
   int getUint8() {
     return _ptr.getUint8();
   }
 
-  void setFloat32(int byteOffset, num value, bool littleEndian) {
-    _ptr.setFloat32(byteOffset, value, littleEndian);
-    return;
+  void setFloat32(int byteOffset, num value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setFloat32(byteOffset, value);
+      return;
+    } else {
+      _ptr.setFloat32(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
-  void setFloat64(int byteOffset, num value, bool littleEndian) {
-    _ptr.setFloat64(byteOffset, value, littleEndian);
-    return;
+  void setFloat64(int byteOffset, num value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setFloat64(byteOffset, value);
+      return;
+    } else {
+      _ptr.setFloat64(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
-  void setInt16(int byteOffset, int value, bool littleEndian) {
-    _ptr.setInt16(byteOffset, value, littleEndian);
-    return;
+  void setInt16(int byteOffset, int value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setInt16(byteOffset, value);
+      return;
+    } else {
+      _ptr.setInt16(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
-  void setInt32(int byteOffset, int value, bool littleEndian) {
-    _ptr.setInt32(byteOffset, value, littleEndian);
-    return;
+  void setInt32(int byteOffset, int value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setInt32(byteOffset, value);
+      return;
+    } else {
+      _ptr.setInt32(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
   void setInt8() {
     _ptr.setInt8();
     return;
   }
 
-  void setUint16(int byteOffset, int value, bool littleEndian) {
-    _ptr.setUint16(byteOffset, value, littleEndian);
-    return;
+  void setUint16(int byteOffset, int value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setUint16(byteOffset, value);
+      return;
+    } else {
+      _ptr.setUint16(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
-  void setUint32(int byteOffset, int value, bool littleEndian) {
-    _ptr.setUint32(byteOffset, value, littleEndian);
-    return;
+  void setUint32(int byteOffset, int value, [bool littleEndian = null]) {
+    if (littleEndian === null) {
+      _ptr.setUint32(byteOffset, value);
+      return;
+    } else {
+      _ptr.setUint32(byteOffset, value, littleEndian);
+      return;
+    }
   }
 
   void setUint8() {
     _ptr.setUint8();
     return;
   }
-
-  String get typeName() { return "DataView"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DetailsElementWrappingImplementation extends ElementWrappingImplementation implements DetailsElement {
   DetailsElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get open() { return _ptr.open; }
 
   void set open(bool value) { _ptr.open = value; }
-
-  String get typeName() { return "DetailsElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DeviceMotionEventWrappingImplementation extends EventWrappingImplementation implements DeviceMotionEvent {
   DeviceMotionEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get interval() { return _ptr.interval; }
-
-  void initDeviceMotionEvent(String type, bool bubbles, bool cancelable) {
-    _ptr.initDeviceMotionEvent(type, bubbles, cancelable);
-    return;
-  }
-
-  String get typeName() { return "DeviceMotionEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DeviceOrientationEventWrappingImplementation extends EventWrappingImplementation implements DeviceOrientationEvent {
   DeviceOrientationEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get alpha() { return _ptr.alpha; }
 
   num get beta() { return _ptr.beta; }
 
   num get gamma() { return _ptr.gamma; }
 
   void initDeviceOrientationEvent(String type, bool bubbles, bool cancelable, num alpha, num beta, num gamma) {
     _ptr.initDeviceOrientationEvent(type, bubbles, cancelable, alpha, beta, gamma);
     return;
   }
-
-  String get typeName() { return "DeviceOrientationEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DirectoryEntrySyncWrappingImplementation extends EntrySyncWrappingImplementation implements DirectoryEntrySync {
   DirectoryEntrySyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   DirectoryReaderSync createReader() {
     return LevelDom.wrapDirectoryReaderSync(_ptr.createReader());
   }
 
   DirectoryEntrySync getDirectory(String path, Flags flags) {
     return LevelDom.wrapDirectoryEntrySync(_ptr.getDirectory(path, LevelDom.unwrap(flags)));
   }
 
   FileEntrySync getFile(String path, Flags flags) {
     return LevelDom.wrapFileEntrySync(_ptr.getFile(path, LevelDom.unwrap(flags)));
   }
 
   void removeRecursively() {
     _ptr.removeRecursively();
     return;
   }
-
-  String get typeName() { return "DirectoryEntrySync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DirectoryEntryWrappingImplementation extends EntryWrappingImplementation implements DirectoryEntry {
   DirectoryEntryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   DirectoryReader createReader() {
     return LevelDom.wrapDirectoryReader(_ptr.createReader());
   }
 
-  void getDirectory(String path, Flags flags, EntryCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.getDirectory(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void getDirectory(String path, [Flags flags = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (flags === null) {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.getDirectory(path);
+          return;
+        }
+      }
+    } else {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.getDirectory(path, LevelDom.unwrap(flags));
+          return;
+        }
+      } else {
+        if (errorCallback === null) {
+          _ptr.getDirectory(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback));
+          return;
+        } else {
+          _ptr.getDirectory(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+          return;
+        }
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void getFile(String path, Flags flags, EntryCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.getFile(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void getFile(String path, [Flags flags = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (flags === null) {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.getFile(path);
+          return;
+        }
+      }
+    } else {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.getFile(path, LevelDom.unwrap(flags));
+          return;
+        }
+      } else {
+        if (errorCallback === null) {
+          _ptr.getFile(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback));
+          return;
+        } else {
+          _ptr.getFile(path, LevelDom.unwrap(flags), LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+          return;
+        }
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void removeRecursively(VoidCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.removeRecursively(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void removeRecursively([VoidCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (successCallback === null) {
+      if (errorCallback === null) {
+        _ptr.removeRecursively();
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.removeRecursively(LevelDom.unwrap(successCallback));
+        return;
+      } else {
+        _ptr.removeRecursively(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
-
-  String get typeName() { return "DirectoryEntry"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DirectoryReaderSyncWrappingImplementation extends DOMWrapperBase implements DirectoryReaderSync {
   DirectoryReaderSyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   EntryArraySync readEntries() {
     return LevelDom.wrapEntryArraySync(_ptr.readEntries());
   }
-
-  String get typeName() { return "DirectoryReaderSync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DirectoryReaderWrappingImplementation extends DOMWrapperBase implements DirectoryReader {
   DirectoryReaderWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  void readEntries(EntriesCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.readEntries(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void readEntries(EntriesCallback successCallback, [ErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      _ptr.readEntries(LevelDom.unwrap(successCallback));
+      return;
+    } else {
+      _ptr.readEntries(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      return;
+    }
   }
-
-  String get typeName() { return "DirectoryReader"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class DivElementWrappingImplementation extends ElementWrappingImplementation implements DivElement {
   DivElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
-
-  String get typeName() { return "DivElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EmbedElementWrappingImplementation extends ElementWrappingImplementation implements EmbedElement {
   EmbedElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 13 matching lines @@
 
   void set src(String value) { _ptr.src = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
 
   int get width() { return _ptr.width; }
 
   void set width(int value) { _ptr.width = value; }
-
-  String get typeName() { return "EmbedElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntityReferenceWrappingImplementation extends NodeWrappingImplementation implements EntityReference {
   EntityReferenceWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "EntityReference"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntityWrappingImplementation extends NodeWrappingImplementation implements Entity {
   EntityWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get notationName() { return _ptr.notationName; }
 
   String get publicId() { return _ptr.publicId; }
 
   String get systemId() { return _ptr.systemId; }
-
-  String get typeName() { return "Entity"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntriesCallbackWrappingImplementation extends DOMWrapperBase implements EntriesCallback {
   EntriesCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(EntryArray entries) {
     return _ptr.handleEvent(LevelDom.unwrap(entries));
   }
-
-  String get typeName() { return "EntriesCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntryArraySyncWrappingImplementation extends DOMWrapperBase implements EntryArraySync {
   EntryArraySyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   EntrySync item(int index) {
     return LevelDom.wrapEntrySync(_ptr.item(index));
   }
-
-  String get typeName() { return "EntryArraySync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntryArrayWrappingImplementation extends DOMWrapperBase implements EntryArray {
   EntryArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   Entry item(int index) {
     return LevelDom.wrapEntry(_ptr.item(index));
   }
-
-  String get typeName() { return "EntryArray"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntryCallbackWrappingImplementation extends DOMWrapperBase implements EntryCallback {
   EntryCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(Entry entry) {
     return _ptr.handleEvent(LevelDom.unwrap(entry));
   }
-
-  String get typeName() { return "EntryCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntrySyncWrappingImplementation extends DOMWrapperBase implements EntrySync {
   EntrySyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 24 matching lines @@
   }
 
   void remove() {
     _ptr.remove();
     return;
   }
 
   String toURL() {
     return _ptr.toURL();
   }
-
-  String get typeName() { return "EntrySync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EntryWrappingImplementation extends DOMWrapperBase implements Entry {
   EntryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   DOMFileSystem get filesystem() { return LevelDom.wrapDOMFileSystem(_ptr.filesystem); }
 
   String get fullPath() { return _ptr.fullPath; }
 
   bool get isDirectory() { return _ptr.isDirectory; }
 
   bool get isFile() { return _ptr.isFile; }
 
   String get name() { return _ptr.name; }
 
-  void copyTo(DirectoryEntry parent, String name, EntryCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.copyTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void copyTo(DirectoryEntry parent, [String name = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (name === null) {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.copyTo(LevelDom.unwrap(parent));
+          return;
+        }
+      }
+    } else {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.copyTo(LevelDom.unwrap(parent), name);
+          return;
+        }
+      } else {
+        if (errorCallback === null) {
+          _ptr.copyTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback));
+          return;
+        } else {
+          _ptr.copyTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+          return;
+        }
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void getMetadata(MetadataCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.getMetadata(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void getMetadata([MetadataCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (successCallback === null) {
+      if (errorCallback === null) {
+        _ptr.getMetadata();
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.getMetadata(LevelDom.unwrap(successCallback));
+        return;
+      } else {
+        _ptr.getMetadata(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void getParent(EntryCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.getParent(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void getParent([EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (successCallback === null) {
+      if (errorCallback === null) {
+        _ptr.getParent();
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.getParent(LevelDom.unwrap(successCallback));
+        return;
+      } else {
+        _ptr.getParent(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void moveTo(DirectoryEntry parent, String name, EntryCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.moveTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void moveTo(DirectoryEntry parent, [String name = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (name === null) {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.moveTo(LevelDom.unwrap(parent));
+          return;
+        }
+      }
+    } else {
+      if (successCallback === null) {
+        if (errorCallback === null) {
+          _ptr.moveTo(LevelDom.unwrap(parent), name);
+          return;
+        }
+      } else {
+        if (errorCallback === null) {
+          _ptr.moveTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback));
+          return;
+        } else {
+          _ptr.moveTo(LevelDom.unwrap(parent), name, LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+          return;
+        }
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void remove(VoidCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.remove(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void remove([VoidCallback successCallback = null, ErrorCallback errorCallback = null]) {
+    if (successCallback === null) {
+      if (errorCallback === null) {
+        _ptr.remove();
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.remove(LevelDom.unwrap(successCallback));
+        return;
+      } else {
+        _ptr.remove(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
   String toURL() {
     return _ptr.toURL();
   }
-
-  String get typeName() { return "Entry"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ErrorCallbackWrappingImplementation extends DOMWrapperBase implements ErrorCallback {
   ErrorCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(FileError error) {
     return _ptr.handleEvent(LevelDom.unwrap(error));
   }
-
-  String get typeName() { return "ErrorCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ErrorEventWrappingImplementation extends EventWrappingImplementation implements ErrorEvent {
   ErrorEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get filename() { return _ptr.filename; }
 
   int get lineno() { return _ptr.lineno; }
 
   String get message() { return _ptr.message; }
 
   void initErrorEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String messageArg, String filenameArg, int linenoArg) {
     _ptr.initErrorEvent(typeArg, canBubbleArg, cancelableArg, messageArg, filenameArg, linenoArg);
     return;
   }
-
-  String get typeName() { return "ErrorEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EventExceptionWrappingImplementation extends DOMWrapperBase implements EventException {
   EventExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "EventException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class EventWrappingImplementation extends DOMWrapperBase implements Event {
   EventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 35 matching lines @@
 
   void stopImmediatePropagation() {
     _ptr.stopImmediatePropagation();
     return;
   }
 
   void stopPropagation() {
     _ptr.stopPropagation();
     return;
   }
-
-  String get typeName() { return "Event"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FieldSetElementWrappingImplementation extends ElementWrappingImplementation implements FieldSetElement {
   FieldSetElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   FormElement get form() { return LevelDom.wrapFormElement(_ptr.form); }
 
   String get validationMessage() { return _ptr.validationMessage; }
 
   ValidityState get validity() { return LevelDom.wrapValidityState(_ptr.validity); }
 
   bool get willValidate() { return _ptr.willValidate; }
 
   bool checkValidity() {
     return _ptr.checkValidity();
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "FieldSetElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileCallbackWrappingImplementation extends DOMWrapperBase implements FileCallback {
   FileCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(File file) {
     return _ptr.handleEvent(LevelDom.unwrap(file));
   }
-
-  String get typeName() { return "FileCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileEntrySyncWrappingImplementation extends EntrySyncWrappingImplementation implements FileEntrySync {
   FileEntrySyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   FileWriterSync createWriter() {
     return LevelDom.wrapFileWriterSync(_ptr.createWriter());
   }
 
   File file() {
     return LevelDom.wrapFile(_ptr.file());
   }
-
-  String get typeName() { return "FileEntrySync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileEntryWrappingImplementation extends EntryWrappingImplementation implements FileEntry {
   FileEntryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  void createWriter(FileWriterCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.createWriter(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void createWriter(FileWriterCallback successCallback, [ErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      _ptr.createWriter(LevelDom.unwrap(successCallback));
+      return;
+    } else {
+      _ptr.createWriter(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      return;
+    }
   }
 
-  void file(FileCallback successCallback, ErrorCallback errorCallback) {
-    _ptr.file(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void file(FileCallback successCallback, [ErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      _ptr.file(LevelDom.unwrap(successCallback));
+      return;
+    } else {
+      _ptr.file(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      return;
+    }
   }
-
-  String get typeName() { return "FileEntry"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileErrorWrappingImplementation extends DOMWrapperBase implements FileError {
   FileErrorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
-
-  String get typeName() { return "FileError"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileExceptionWrappingImplementation extends DOMWrapperBase implements FileException {
   FileExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "FileException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileListWrappingImplementation extends DOMWrapperBase implements FileList {
   FileListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   File item(int index) {
     return LevelDom.wrapFile(_ptr.item(index));
   }
-
-  String get typeName() { return "FileList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileReaderSyncWrappingImplementation extends DOMWrapperBase implements FileReaderSync {
   FileReaderSyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   ArrayBuffer readAsArrayBuffer(Blob blob) {
     return LevelDom.wrapArrayBuffer(_ptr.readAsArrayBuffer(LevelDom.unwrap(blob)));
   }
 
   String readAsBinaryString(Blob blob) {
     return _ptr.readAsBinaryString(LevelDom.unwrap(blob));
   }
 
   String readAsDataURL(Blob blob) {
     return _ptr.readAsDataURL(LevelDom.unwrap(blob));
   }
 
-  String readAsText(Blob blob, String encoding) {
-    return _ptr.readAsText(LevelDom.unwrap(blob), encoding);
+  String readAsText(Blob blob, [String encoding = null]) {
+    if (encoding === null) {
+      return _ptr.readAsText(LevelDom.unwrap(blob));
+    } else {
+      return _ptr.readAsText(LevelDom.unwrap(blob), encoding);
+    }
   }
-
-  String get typeName() { return "FileReaderSync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileReaderWrappingImplementation extends DOMWrapperBase implements FileReader {
   FileReaderWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 40 matching lines @@
   void readAsBinaryString(Blob blob) {
     _ptr.readAsBinaryString(LevelDom.unwrap(blob));
     return;
   }
 
   void readAsDataURL(Blob blob) {
     _ptr.readAsDataURL(LevelDom.unwrap(blob));
     return;
   }
 
-  void readAsText(Blob blob, String encoding) {
-    _ptr.readAsText(LevelDom.unwrap(blob), encoding);
-    return;
+  void readAsText(Blob blob, [String encoding = null]) {
+    if (encoding === null) {
+      _ptr.readAsText(LevelDom.unwrap(blob));
+      return;
+    } else {
+      _ptr.readAsText(LevelDom.unwrap(blob), encoding);
+      return;
+    }
   }
-
-  String get typeName() { return "FileReader"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileSystemCallbackWrappingImplementation extends DOMWrapperBase implements FileSystemCallback {
   FileSystemCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(DOMFileSystem fileSystem) {
     return _ptr.handleEvent(LevelDom.unwrap(fileSystem));
   }
-
-  String get typeName() { return "FileSystemCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileWrappingImplementation extends BlobWrappingImplementation implements File {
   FileWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get fileName() { return _ptr.fileName; }
 
   int get fileSize() { return _ptr.fileSize; }
 
   Date get lastModifiedDate() { return _ptr.lastModifiedDate; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "File"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileWriterCallbackWrappingImplementation extends DOMWrapperBase implements FileWriterCallback {
   FileWriterCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(FileWriter fileWriter) {
     return _ptr.handleEvent(LevelDom.unwrap(fileWriter));
   }
-
-  String get typeName() { return "FileWriterCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileWriterSyncWrappingImplementation extends DOMWrapperBase implements FileWriterSync {
   FileWriterSyncWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   int get position() { return _ptr.position; }
 
   void seek(int position) {
     _ptr.seek(position);
     return;
   }
 
   void truncate(int size) {
     _ptr.truncate(size);
     return;
   }
 
   void write(Blob data) {
     _ptr.write(LevelDom.unwrap(data));
     return;
   }
-
-  String get typeName() { return "FileWriterSync"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FileWriterWrappingImplementation extends DOMWrapperBase implements FileWriter {
   FileWriterWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 41 matching lines @@
 
   void truncate(int size) {
     _ptr.truncate(size);
     return;
   }
 
   void write(Blob data) {
     _ptr.write(LevelDom.unwrap(data));
     return;
   }
-
-  String get typeName() { return "FileWriter"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FlagsWrappingImplementation extends DOMWrapperBase implements Flags {
   FlagsWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get create() { return _ptr.create; }
 
   void set create(bool value) { _ptr.create = value; }
 
   bool get exclusive() { return _ptr.exclusive; }
 
   void set exclusive(bool value) { _ptr.exclusive = value; }
-
-  String get typeName() { return "Flags"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Float32ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Float32Array {
   Float32ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Float32Array subarray(int start, int end) {
-    return LevelDom.wrapFloat32Array(_ptr.subarray(start, end));
+  Float32Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapFloat32Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapFloat32Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Float32Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Float64ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Float64Array {
   Float64ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Float64Array subarray(int start, int end) {
-    return LevelDom.wrapFloat64Array(_ptr.subarray(start, end));
+  Float64Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapFloat64Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapFloat64Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Float64Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FontElementWrappingImplementation extends ElementWrappingImplementation implements FontElement {
   FontElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get color() { return _ptr.color; }
 
   void set color(String value) { _ptr.color = value; }
 
   String get face() { return _ptr.face; }
 
   void set face(String value) { _ptr.face = value; }
 
   String get size() { return _ptr.size; }
 
   void set size(String value) { _ptr.size = value; }
-
-  String get typeName() { return "FontElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class FormElementWrappingImplementation extends ElementWrappingImplementation implements FormElement {
   FormElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 41 matching lines @@
 
   void reset() {
     _ptr.reset();
     return;
   }
 
   void submit() {
     _ptr.submit();
     return;
   }
-
-  String get typeName() { return "FormElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class GeolocationWrappingImplementation extends DOMWrapperBase implements Geolocation {
   GeolocationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void clearWatch(int watchId) {
     _ptr.clearWatch(watchId);
     return;
   }
 
-  void getCurrentPosition(PositionCallback successCallback, PositionErrorCallback errorCallback) {
-    _ptr.getCurrentPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void getCurrentPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      _ptr.getCurrentPosition(LevelDom.unwrap(successCallback));
+      return;
+    } else {
+      _ptr.getCurrentPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      return;
+    }
   }
 
-  int watchPosition(PositionCallback successCallback, PositionErrorCallback errorCallback) {
-    return _ptr.watchPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+  int watchPosition(PositionCallback successCallback, [PositionErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      return _ptr.watchPosition(LevelDom.unwrap(successCallback));
+    } else {
+      return _ptr.watchPosition(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+    }
   }
-
-  String get typeName() { return "Geolocation"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class GeopositionWrappingImplementation extends DOMWrapperBase implements Geoposition {
   GeopositionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   Coordinates get coords() { return LevelDom.wrapCoordinates(_ptr.coords); }
 
   int get timestamp() { return _ptr.timestamp; }
-
-  String get typeName() { return "Geoposition"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HRElementWrappingImplementation extends ElementWrappingImplementation implements HRElement {
   HRElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
 
   bool get noShade() { return _ptr.noShade; }
 
   void set noShade(bool value) { _ptr.noShade = value; }
 
   String get size() { return _ptr.size; }
 
   void set size(String value) { _ptr.size = value; }
 
   String get width() { return _ptr.width; }
 
   void set width(String value) { _ptr.width = value; }
-
-  String get typeName() { return "HRElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HTMLAllCollectionWrappingImplementation extends DOMWrapperBase implements HTMLAllCollection {
   HTMLAllCollectionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   Node item(int index) {
     return LevelDom.wrapNode(_ptr.item(index));
   }
 
   Node namedItem(String name) {
     return LevelDom.wrapNode(_ptr.namedItem(name));
   }
 
   ElementList tags(String name) {
     return LevelDom.wrapElementList(_ptr.tags(name));
   }
-
-  String get typeName() { return "HTMLAllCollection"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HashChangeEventWrappingImplementation extends EventWrappingImplementation implements HashChangeEvent {
   HashChangeEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get newURL() { return _ptr.newURL; }
 
   String get oldURL() { return _ptr.oldURL; }
 
   void initHashChangeEvent(String type, bool canBubble, bool cancelable, String oldURL, String newURL) {
     _ptr.initHashChangeEvent(type, canBubble, cancelable, oldURL, newURL);
     return;
   }
-
-  String get typeName() { return "HashChangeEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HeadElementWrappingImplementation extends ElementWrappingImplementation implements HeadElement {
   HeadElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get profile() { return _ptr.profile; }
 
   void set profile(String value) { _ptr.profile = value; }
-
-  String get typeName() { return "HeadElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HeadingElementWrappingImplementation extends ElementWrappingImplementation implements HeadingElement {
   HeadingElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
-
-  String get typeName() { return "HeadingElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HistoryWrappingImplementation extends DOMWrapperBase implements History {
   HistoryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   void back() {
     _ptr.back();
     return;
   }
 
   void forward() {
     _ptr.forward();
     return;
   }
 
   void go(int distance) {
     _ptr.go(distance);
     return;
   }
 
-  void pushState(Object data, String title, String url) {
-    _ptr.pushState(LevelDom.unwrapMaybePrimitive(data), title, url);
-    return;
+  void pushState(Object data, String title, [String url = null]) {
+    if (url === null) {
+      _ptr.pushState(LevelDom.unwrapMaybePrimitive(data), title);
+      return;
+    } else {
+      _ptr.pushState(LevelDom.unwrapMaybePrimitive(data), title, url);
+      return;
+    }
   }
 
-  void replaceState(Object data, String title, String url) {
-    _ptr.replaceState(LevelDom.unwrapMaybePrimitive(data), title, url);
-    return;
+  void replaceState(Object data, String title, [String url = null]) {
+    if (url === null) {
+      _ptr.replaceState(LevelDom.unwrapMaybePrimitive(data), title);
+      return;
+    } else {
+      _ptr.replaceState(LevelDom.unwrapMaybePrimitive(data), title, url);
+      return;
+    }
   }
-
-  String get typeName() { return "History"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class HtmlElementWrappingImplementation extends ElementWrappingImplementation implements HtmlElement {
   HtmlElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get manifest() { return _ptr.manifest; }
 
   void set manifest(String value) { _ptr.manifest = value; }
 
   String get version() { return _ptr.version; }
 
   void set version(String value) { _ptr.version = value; }
-
-  String get typeName() { return "HtmlElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBAnyWrappingImplementation extends DOMWrapperBase implements IDBAny {
   IDBAnyWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "IDBAny"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBCursorWithValueWrappingImplementation extends IDBCursorWrappingImplementation implements IDBCursorWithValue {
   IDBCursorWithValueWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get value() { return _ptr.value; }
-
-  String get typeName() { return "IDBCursorWithValue"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBCursorWrappingImplementation extends DOMWrapperBase implements IDBCursor {
   IDBCursorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get direction() { return _ptr.direction; }
 
   IDBKey get key() { return LevelDom.wrapIDBKey(_ptr.key); }
 
   IDBKey get primaryKey() { return LevelDom.wrapIDBKey(_ptr.primaryKey); }
 
   IDBAny get source() { return LevelDom.wrapIDBAny(_ptr.source); }
 
+  void continueFunction([IDBKey key = null]) {
+    if (key === null) {
+      _ptr.continueFunction();
+      return;
+    } else {
+      _ptr.continueFunction(LevelDom.unwrap(key));
+      return;
+    }
+  }
+
   IDBRequest delete() {
     return LevelDom.wrapIDBRequest(_ptr.delete());
   }
 
   IDBRequest update(String value) {
     return LevelDom.wrapIDBRequest(_ptr.update(value));
   }
-
-  String get typeName() { return "IDBCursor"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBDatabaseErrorWrappingImplementation extends DOMWrapperBase implements IDBDatabaseError {
   IDBDatabaseErrorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   void set code(int value) { _ptr.code = value; }
 
   String get message() { return _ptr.message; }
 
   void set message(String value) { _ptr.message = value; }
-
-  String get typeName() { return "IDBDatabaseError"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBDatabaseExceptionWrappingImplementation extends DOMWrapperBase implements IDBDatabaseException {
   IDBDatabaseExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "IDBDatabaseException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBDatabaseWrappingImplementation extends DOMWrapperBase implements IDBDatabase {
   IDBDatabaseWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get name() { return _ptr.name; }
 
   EventListener get onabort() { return LevelDom.wrapEventListener(_ptr.onabort); }
 
   void set onabort(EventListener value) { _ptr.onabort = LevelDom.unwrap(value); }
 
   EventListener get onerror() { return LevelDom.wrapEventListener(_ptr.onerror); }
 
   void set onerror(EventListener value) { _ptr.onerror = LevelDom.unwrap(value); }
 
   EventListener get onversionchange() { return LevelDom.wrapEventListener(_ptr.onversionchange); }
 
   void set onversionchange(EventListener value) { _ptr.onversionchange = LevelDom.unwrap(value); }
 
   String get version() { return _ptr.version; }
 
-  void addEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
 
   void close() {
     _ptr.close();
     return;
   }
 
   IDBObjectStore createObjectStore(String name) {
     return LevelDom.wrapIDBObjectStore(_ptr.createObjectStore(name));
   }
 
   void deleteObjectStore(String name) {
     _ptr.deleteObjectStore(name);
     return;
   }
 
   bool dispatchEvent(Event evt) {
     return _ptr.dispatchEvent(LevelDom.unwrap(evt));
   }
 
-  void removeEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
 
   IDBVersionChangeRequest setVersion(String version) {
     return LevelDom.wrapIDBVersionChangeRequest(_ptr.setVersion(version));
   }
-
-  String get typeName() { return "IDBDatabase"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBFactoryWrappingImplementation extends DOMWrapperBase implements IDBFactory {
   IDBFactoryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
+  IDBRequest getDatabaseNames() {
+    return LevelDom.wrapIDBRequest(_ptr.getDatabaseNames());
+  }
+
   IDBRequest open(String name) {
     return LevelDom.wrapIDBRequest(_ptr.open(name));
   }
-
-  String get typeName() { return "IDBFactory"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBIndexWrappingImplementation extends DOMWrapperBase implements IDBIndex {
   IDBIndexWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get keyPath() { return _ptr.keyPath; }
 
   String get name() { return _ptr.name; }
 
   IDBObjectStore get objectStore() { return LevelDom.wrapIDBObjectStore(_ptr.objectStore); }
 
   bool get unique() { return _ptr.unique; }
 
+  IDBRequest getObject(IDBKey key) {
+    return LevelDom.wrapIDBRequest(_ptr.getObject(LevelDom.unwrap(key)));
+  }
+
   IDBRequest getKey(IDBKey key) {
     return LevelDom.wrapIDBRequest(_ptr.getKey(LevelDom.unwrap(key)));
   }
 
-  IDBRequest openCursor(IDBKeyRange range, int direction) {
-    return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range), direction));
+  IDBRequest openCursor([IDBKeyRange range = null, int direction = null]) {
+    if (range === null) {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor());
+      }
+    } else {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range)));
+      } else {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range), direction));
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  IDBRequest openKeyCursor(IDBKeyRange range, int direction) {
-    return LevelDom.wrapIDBRequest(_ptr.openKeyCursor(LevelDom.unwrap(range), direction));
+  IDBRequest openKeyCursor([IDBKeyRange range = null, int direction = null]) {
+    if (range === null) {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openKeyCursor());
+      }
+    } else {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openKeyCursor(LevelDom.unwrap(range)));
+      } else {
+        return LevelDom.wrapIDBRequest(_ptr.openKeyCursor(LevelDom.unwrap(range), direction));
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
-
-  String get typeName() { return "IDBIndex"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBKeyRangeWrappingImplementation extends DOMWrapperBase implements IDBKeyRange {
   IDBKeyRangeWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   IDBKey get lower() { return LevelDom.wrapIDBKey(_ptr.lower); }
 
   bool get lowerOpen() { return _ptr.lowerOpen; }
 
   IDBKey get upper() { return LevelDom.wrapIDBKey(_ptr.upper); }
 
   bool get upperOpen() { return _ptr.upperOpen; }
 
-  IDBKeyRange bound(IDBKey lower, IDBKey upper, bool lowerOpen, bool upperOpen) {
-    return LevelDom.wrapIDBKeyRange(_ptr.bound(LevelDom.unwrap(lower), LevelDom.unwrap(upper), lowerOpen, upperOpen));
+  IDBKeyRange bound(IDBKey lower, IDBKey upper, [bool lowerOpen = null, bool upperOpen = null]) {
+    if (lowerOpen === null) {
+      if (upperOpen === null) {
+        return LevelDom.wrapIDBKeyRange(_ptr.bound(LevelDom.unwrap(lower), LevelDom.unwrap(upper)));
+      }
+    } else {
+      if (upperOpen === null) {
+        return LevelDom.wrapIDBKeyRange(_ptr.bound(LevelDom.unwrap(lower), LevelDom.unwrap(upper), lowerOpen));
+      } else {
+        return LevelDom.wrapIDBKeyRange(_ptr.bound(LevelDom.unwrap(lower), LevelDom.unwrap(upper), lowerOpen, upperOpen));
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  IDBKeyRange lowerBound(IDBKey bound, bool open) {
-    return LevelDom.wrapIDBKeyRange(_ptr.lowerBound(LevelDom.unwrap(bound), open));
+  IDBKeyRange lowerBound(IDBKey bound, [bool open = null]) {
+    if (open === null) {
+      return LevelDom.wrapIDBKeyRange(_ptr.lowerBound(LevelDom.unwrap(bound)));
+    } else {
+      return LevelDom.wrapIDBKeyRange(_ptr.lowerBound(LevelDom.unwrap(bound), open));
+    }
   }
 
   IDBKeyRange only(IDBKey value) {
     return LevelDom.wrapIDBKeyRange(_ptr.only(LevelDom.unwrap(value)));
   }
 
-  IDBKeyRange upperBound(IDBKey bound, bool open) {
-    return LevelDom.wrapIDBKeyRange(_ptr.upperBound(LevelDom.unwrap(bound), open));
+  IDBKeyRange upperBound(IDBKey bound, [bool open = null]) {
+    if (open === null) {
+      return LevelDom.wrapIDBKeyRange(_ptr.upperBound(LevelDom.unwrap(bound)));
+    } else {
+      return LevelDom.wrapIDBKeyRange(_ptr.upperBound(LevelDom.unwrap(bound), open));
+    }
   }
-
-  String get typeName() { return "IDBKeyRange"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBKeyWrappingImplementation extends DOMWrapperBase implements IDBKey {
   IDBKeyWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "IDBKey"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBObjectStoreWrappingImplementation extends DOMWrapperBase implements IDBObjectStore {
   IDBObjectStoreWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get keyPath() { return _ptr.keyPath; }
 
   String get name() { return _ptr.name; }
 
-  IDBRequest add(String value, IDBKey key) {
-    return LevelDom.wrapIDBRequest(_ptr.add(value, LevelDom.unwrap(key)));
+  IDBRequest add(String value, [IDBKey key = null]) {
+    if (key === null) {
+      return LevelDom.wrapIDBRequest(_ptr.add(value));
+    } else {
+      return LevelDom.wrapIDBRequest(_ptr.add(value, LevelDom.unwrap(key)));
+    }
   }
 
   IDBRequest clear() {
     return LevelDom.wrapIDBRequest(_ptr.clear());
   }
 
   IDBIndex createIndex(String name, String keyPath) {
     return LevelDom.wrapIDBIndex(_ptr.createIndex(name, keyPath));
   }
 
   IDBRequest delete(IDBKey key) {
     return LevelDom.wrapIDBRequest(_ptr.delete(LevelDom.unwrap(key)));
   }
 
   void deleteIndex(String name) {
     _ptr.deleteIndex(name);
     return;
   }
 
+  IDBRequest getObject(IDBKey key) {
+    return LevelDom.wrapIDBRequest(_ptr.getObject(LevelDom.unwrap(key)));
+  }
+
   IDBIndex index(String name) {
     return LevelDom.wrapIDBIndex(_ptr.index(name));
   }
 
-  IDBRequest openCursor(IDBKeyRange range, int direction) {
-    return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range), direction));
+  IDBRequest openCursor([IDBKeyRange range = null, int direction = null]) {
+    if (range === null) {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor());
+      }
+    } else {
+      if (direction === null) {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range)));
+      } else {
+        return LevelDom.wrapIDBRequest(_ptr.openCursor(LevelDom.unwrap(range), direction));
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  IDBRequest put(String value, IDBKey key) {
-    return LevelDom.wrapIDBRequest(_ptr.put(value, LevelDom.unwrap(key)));
+  IDBRequest put(String value, [IDBKey key = null]) {
+    if (key === null) {
+      return LevelDom.wrapIDBRequest(_ptr.put(value));
+    } else {
+      return LevelDom.wrapIDBRequest(_ptr.put(value, LevelDom.unwrap(key)));
+    }
   }
-
-  String get typeName() { return "IDBObjectStore"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBRequestWrappingImplementation extends DOMWrapperBase implements IDBRequest {
   IDBRequestWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 10 matching lines @@
   int get readyState() { return _ptr.readyState; }
 
   IDBAny get result() { return LevelDom.wrapIDBAny(_ptr.result); }
 
   IDBAny get source() { return LevelDom.wrapIDBAny(_ptr.source); }
 
   IDBTransaction get transaction() { return LevelDom.wrapIDBTransaction(_ptr.transaction); }
 
   String get webkitErrorMessage() { return _ptr.webkitErrorMessage; }
 
-  void addEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
 
   bool dispatchEvent(Event evt) {
     return _ptr.dispatchEvent(LevelDom.unwrap(evt));
   }
 
-  void removeEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
-
-  String get typeName() { return "IDBRequest"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBTransactionWrappingImplementation extends DOMWrapperBase implements IDBTransaction {
   IDBTransactionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 11 matching lines @@
 
   EventListener get onerror() { return LevelDom.wrapEventListener(_ptr.onerror); }
 
   void set onerror(EventListener value) { _ptr.onerror = LevelDom.unwrap(value); }
 
   void abort() {
     _ptr.abort();
     return;
   }
 
-  void addEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
 
   bool dispatchEvent(Event evt) {
     return _ptr.dispatchEvent(LevelDom.unwrap(evt));
   }
 
   IDBObjectStore objectStore(String name) {
     return LevelDom.wrapIDBObjectStore(_ptr.objectStore(name));
   }
 
-  void removeEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
-
-  String get typeName() { return "IDBTransaction"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBVersionChangeEventWrappingImplementation extends EventWrappingImplementation implements IDBVersionChangeEvent {
   IDBVersionChangeEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get version() { return _ptr.version; }
-
-  String get typeName() { return "IDBVersionChangeEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IDBVersionChangeRequestWrappingImplementation extends IDBRequestWrappingImplementation implements IDBVersionChangeRequest {
   IDBVersionChangeRequestWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   EventListener get onblocked() { return LevelDom.wrapEventListener(_ptr.onblocked); }
 
   void set onblocked(EventListener value) { _ptr.onblocked = LevelDom.unwrap(value); }
-
-  String get typeName() { return "IDBVersionChangeRequest"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class IFrameElementWrappingImplementation extends ElementWrappingImplementation implements IFrameElement {
   IFrameElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 37 matching lines @@
 
   void set scrolling(String value) { _ptr.scrolling = value; }
 
   String get src() { return _ptr.src; }
 
   void set src(String value) { _ptr.src = value; }
 
   String get width() { return _ptr.width; }
 
   void set width(String value) { _ptr.width = value; }
-
-  String get typeName() { return "IFrameElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ImageDataWrappingImplementation extends DOMWrapperBase implements ImageData {
   ImageDataWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CanvasPixelArray get data() { return LevelDom.wrapCanvasPixelArray(_ptr.data); }
 
   int get height() { return _ptr.height; }
 
   int get width() { return _ptr.width; }
-
-  String get typeName() { return "ImageData"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ImageElementWrappingImplementation extends ElementWrappingImplementation implements ImageElement {
   ImageElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 55 matching lines @@
 
   void set vspace(int value) { _ptr.vspace = value; }
 
   int get width() { return _ptr.width; }
 
   void set width(int value) { _ptr.width = value; }
 
   int get x() { return _ptr.x; }
 
   int get y() { return _ptr.y; }
-
-  String get typeName() { return "ImageElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class InputElementWrappingImplementation extends ElementWrappingImplementation implements InputElement {
   InputElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 189 matching lines @@
   void select() {
     _ptr.select();
     return;
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
 
-  void setSelectionRange([int start = null, int end = null, String direction = null]) {
-    _ptr.setSelectionRange(start, end, direction);
-    return;
+  void setSelectionRange(int start, int end, [String direction = null]) {
+    if (direction === null) {
+      _ptr.setSelectionRange(start, end);
+      return;
+    } else {
+      _ptr.setSelectionRange(start, end, direction);
+      return;
+    }
   }
 
   void setValueForUser(String value) {
     _ptr.setValueForUser(value);
     return;
   }
 
   void stepDown([int n = null]) {
-    _ptr.stepDown(n);
-    return;
+    if (n === null) {
+      _ptr.stepDown();
+      return;
+    } else {
+      _ptr.stepDown(n);
+      return;
+    }
   }
 
   void stepUp([int n = null]) {
-    _ptr.stepUp(n);
-    return;
+    if (n === null) {
+      _ptr.stepUp();
+      return;
+    } else {
+      _ptr.stepUp(n);
+      return;
+    }
   }
-
-  String get typeName() { return "InputElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Int16ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Int16Array {
   Int16ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Int16Array subarray(int start, int end) {
-    return LevelDom.wrapInt16Array(_ptr.subarray(start, end));
+  Int16Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapInt16Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapInt16Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Int16Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Int32ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Int32Array {
   Int32ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Int32Array subarray(int start, int end) {
-    return LevelDom.wrapInt32Array(_ptr.subarray(start, end));
+  Int32Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapInt32Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapInt32Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Int32Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Int8ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Int8Array {
   Int8ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Int8Array subarray(int start, int end) {
-    return LevelDom.wrapInt8Array(_ptr.subarray(start, end));
+  Int8Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapInt8Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapInt8Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Int8Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class KeyboardEventWrappingImplementation extends UIEventWrappingImplementation implements KeyboardEvent {
   KeyboardEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 12 matching lines @@
   bool get shiftKey() { return _ptr.shiftKey; }
 
   bool getModifierState(String keyIdentifierArg) {
     return _ptr.getModifierState(keyIdentifierArg);
   }
 
   void initKeyboardEvent(String type, bool canBubble, bool cancelable, Window view, String keyIdentifier, int keyLocation, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) {
     _ptr.initKeyboardEvent(type, canBubble, cancelable, LevelDom.unwrap(view), keyIdentifier, keyLocation, ctrlKey, altKey, shiftKey, metaKey, altGraphKey);
     return;
   }
-
-  String get typeName() { return "KeyboardEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class KeygenElementWrappingImplementation extends ElementWrappingImplementation implements KeygenElement {
   KeygenElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 30 matching lines @@
   bool get willValidate() { return _ptr.willValidate; }
 
   bool checkValidity() {
     return _ptr.checkValidity();
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "KeygenElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LIElementWrappingImplementation extends ElementWrappingImplementation implements LIElement {
   LIElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
 
   int get value() { return _ptr.value; }
 
   void set value(int value) { _ptr.value = value; }
-
-  String get typeName() { return "LIElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LabelElementWrappingImplementation extends ElementWrappingImplementation implements LabelElement {
   LabelElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get accessKey() { return _ptr.accessKey; }
 
   void set accessKey(String value) { _ptr.accessKey = value; }
 
   Element get control() { return LevelDom.wrapElement(_ptr.control); }
 
   FormElement get form() { return LevelDom.wrapFormElement(_ptr.form); }
 
   String get htmlFor() { return _ptr.htmlFor; }
 
   void set htmlFor(String value) { _ptr.htmlFor = value; }
-
-  String get typeName() { return "LabelElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LegendElementWrappingImplementation extends ElementWrappingImplementation implements LegendElement {
   LegendElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get accessKey() { return _ptr.accessKey; }
 
   void set accessKey(String value) { _ptr.accessKey = value; }
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
 
   FormElement get form() { return LevelDom.wrapFormElement(_ptr.form); }
-
-  String get typeName() { return "LegendElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LinkElementWrappingImplementation extends ElementWrappingImplementation implements LinkElement {
   LinkElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 27 matching lines @@
 
   StyleSheet get sheet() { return LevelDom.wrapStyleSheet(_ptr.sheet); }
 
   String get target() { return _ptr.target; }
 
   void set target(String value) { _ptr.target = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "LinkElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LocalMediaStreamWrappingImplementation extends MediaStreamWrappingImplementation implements LocalMediaStream {
   LocalMediaStreamWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void stop() {
     _ptr.stop();
     return;
   }
-
-  String get typeName() { return "LocalMediaStream"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LocationWrappingImplementation extends DOMWrapperBase implements Location {
   LocationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 42 matching lines @@
 
   void reload() {
     _ptr.reload();
     return;
   }
 
   void replace(String url) {
     _ptr.replace(url);
     return;
   }
-
-  String get typeName() { return "Location"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LoseContextWrappingImplementation extends DOMWrapperBase implements LoseContext {
   LoseContextWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void loseContext() {
     _ptr.loseContext();
     return;
   }
 
   void restoreContext() {
     _ptr.restoreContext();
     return;
   }
-
-  String get typeName() { return "LoseContext"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MapElementWrappingImplementation extends ElementWrappingImplementation implements MapElement {
   MapElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   ElementList get areas() { return LevelDom.wrapElementList(_ptr.areas); }
 
   String get name() { return _ptr.name; }
 
   void set name(String value) { _ptr.name = value; }
-
-  String get typeName() { return "MapElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MarqueeElementWrappingImplementation extends ElementWrappingImplementation implements MarqueeElement {
   MarqueeElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 43 matching lines @@
 
   void start() {
     _ptr.start();
     return;
   }
 
   void stop() {
     _ptr.stop();
     return;
   }
-
-  String get typeName() { return "MarqueeElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaElementWrappingImplementation extends ElementWrappingImplementation implements MediaElement {
   MediaElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get autoplay() { return _ptr.autoplay; }
 
   void set autoplay(bool value) { _ptr.autoplay = value; }
 
   TimeRanges get buffered() { return LevelDom.wrapTimeRanges(_ptr.buffered); }
 
   bool get controls() { return _ptr.controls; }
 
   void set controls(bool value) { _ptr.controls = value; }
 
   String get currentSrc() { return _ptr.currentSrc; }
 
   num get currentTime() { return _ptr.currentTime; }
 
   void set currentTime(num value) { _ptr.currentTime = value; }
 
+  bool get defaultMuted() { return _ptr.defaultMuted; }
+
+  void set defaultMuted(bool value) { _ptr.defaultMuted = value; }
+
   num get defaultPlaybackRate() { return _ptr.defaultPlaybackRate; }
 
   void set defaultPlaybackRate(num value) { _ptr.defaultPlaybackRate = value; }
 
   num get duration() { return _ptr.duration; }
 
   bool get ended() { return _ptr.ended; }
 
   MediaError get error() { return LevelDom.wrapMediaError(_ptr.error); }
 
+  num get initialTime() { return _ptr.initialTime; }
+
   bool get loop() { return _ptr.loop; }
 
   void set loop(bool value) { _ptr.loop = value; }
 
   bool get muted() { return _ptr.muted; }
 
   void set muted(bool value) { _ptr.muted = value; }
 
   int get networkState() { return _ptr.networkState; }
 
@@ skipping 50 matching lines @@
 
   void pause() {
     _ptr.pause();
     return;
   }
 
   void play() {
     _ptr.play();
     return;
   }
-
-  String get typeName() { return "MediaElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaErrorWrappingImplementation extends DOMWrapperBase implements MediaError {
   MediaErrorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
-
-  String get typeName() { return "MediaError"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaListWrappingImplementation extends DOMWrapperBase implements MediaList {
   MediaListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   String get mediaText() { return _ptr.mediaText; }
 
   void set mediaText(String value) { _ptr.mediaText = value; }
 
   String operator[](int index) {
     return item(index);
   }
 
   void operator[]=(int index, String value) {
-    throw new UnsupportedOperationException("Cannot assign element of immutable Array.");
+    throw new UnsupportedOperationException("Cannot assign element of immutable List.");
   }
 
   void add(String value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addLast(String value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addAll(Collection<String> collection) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void sort(int compare(String a, String b)) {
-    throw new UnsupportedOperationException("Cannot sort immutable Array.");
+    throw new UnsupportedOperationException("Cannot sort immutable List.");
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw new UnsupportedOperationException("This object is immutable.");
   }
 
   int indexOf(String element, int startIndex) {
     return _Lists.indexOf(this, element, startIndex, this.length);
   }
 
   int lastIndexOf(String element, int startIndex) {
     return _Lists.lastIndexOf(this, element, startIndex);
   }
 
   int clear() {
-    throw new UnsupportedOperationException("Cannot clear immutable Array.");
+    throw new UnsupportedOperationException("Cannot clear immutable List.");
   }
 
   String removeLast() {
-    throw new UnsupportedOperationException("Cannot removeLast on immutable Array.");
+    throw new UnsupportedOperationException("Cannot removeLast on immutable List.");
   }
 
   String last() {
     return this[length - 1];
   }
 
   void forEach(void f(String element)) {
     _Collections.forEach(this, f);
   }
 
   Collection<String> filter(bool f(String element)) {
     return _Collections.filter(this, new List<String>(), f);
   }
 
   bool every(bool f(String element)) {
     return _Collections.every(this, f);
   }
 
   bool some(bool f(String element)) {
     return _Collections.some(this, f);
   }
 
+  void setRange(int start, int length, List<String> from, [int startFrom]) {
+    throw new UnsupportedOperationException("Cannot setRange on immutable List.");
+  }
+
+  void removeRange(int start, int length) {
+    throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
+  }
+
+  void insertRange(int start, int length, [String initialValue]) {
+    throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
+  }
+
+  List<String> getRange(int start, int length) {
+    throw new NotImplementedException();
+  }
+
   bool isEmpty() {
     return length == 0;
   }
 
   Iterator<String> iterator() {
     return new _FixedSizeListIterator<String>(this);
   }
 
   void appendMedium(String newMedium) {
     _ptr.appendMedium(newMedium);
     return;
   }
 
   void deleteMedium(String oldMedium) {
     _ptr.deleteMedium(oldMedium);
     return;
   }
 
   String item(int index) {
     return _ptr.item(index);
   }
-
-  String get typeName() { return "MediaList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaQueryListListenerWrappingImplementation extends DOMWrapperBase implements MediaQueryListListener {
   MediaQueryListListenerWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void queryChanged(MediaQueryList list) {
     _ptr.queryChanged(LevelDom.unwrap(list));
     return;
   }
-
-  String get typeName() { return "MediaQueryListListener"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaQueryListWrappingImplementation extends DOMWrapperBase implements MediaQueryList {
   MediaQueryListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get matches() { return _ptr.matches; }
 
   String get media() { return _ptr.media; }
 
   void addListener(MediaQueryListListener listener) {
     _ptr.addListener(LevelDom.unwrap(listener));
     return;
   }
 
   void removeListener(MediaQueryListListener listener) {
     _ptr.removeListener(LevelDom.unwrap(listener));
     return;
   }
-
-  String get typeName() { return "MediaQueryList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaStreamListWrappingImplementation extends DOMWrapperBase implements MediaStreamList {
   MediaStreamListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   MediaStream item(int index) {
     return LevelDom.wrapMediaStream(_ptr.item(index));
   }
-
-  String get typeName() { return "MediaStreamList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaStreamTrackListWrappingImplementation extends DOMWrapperBase implements MediaStreamTrackList {
   MediaStreamTrackListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   MediaStreamTrack item(int index) {
     return LevelDom.wrapMediaStreamTrack(_ptr.item(index));
   }
-
-  String get typeName() { return "MediaStreamTrackList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaStreamTrackWrappingImplementation extends DOMWrapperBase implements MediaStreamTrack {
   MediaStreamTrackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get enabled() { return _ptr.enabled; }
 
   void set enabled(bool value) { _ptr.enabled = value; }
 
   String get kind() { return _ptr.kind; }
 
   String get label() { return _ptr.label; }
-
-  String get typeName() { return "MediaStreamTrack"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MediaStreamWrappingImplementation extends DOMWrapperBase implements MediaStream {
   MediaStreamWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get label() { return _ptr.label; }
 
   EventListener get onended() { return LevelDom.wrapEventListener(_ptr.onended); }
 
   void set onended(EventListener value) { _ptr.onended = LevelDom.unwrap(value); }
 
   int get readyState() { return _ptr.readyState; }
 
   MediaStreamTrackList get tracks() { return LevelDom.wrapMediaStreamTrackList(_ptr.tracks); }
 
-  void addEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.addEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
 
   bool dispatchEvent(Event event) {
     return _ptr.dispatchEvent(LevelDom.unwrap(event));
   }
 
-  void removeEventListener(String type, EventListener listener, bool useCapture) {
-    _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
-    return;
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
+    if (useCapture === null) {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener));
+      return;
+    } else {
+      _ptr.removeEventListener(type, LevelDom.unwrap(listener), useCapture);
+      return;
+    }
   }
-
-  String get typeName() { return "MediaStream"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MenuElementWrappingImplementation extends ElementWrappingImplementation implements MenuElement {
   MenuElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get compact() { return _ptr.compact; }
 
   void set compact(bool value) { _ptr.compact = value; }
-
-  String get typeName() { return "MenuElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MessageChannelWrappingImplementation extends DOMWrapperBase implements MessageChannel {
   MessageChannelWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   MessagePort get port1() { return LevelDom.wrapMessagePort(_ptr.port1); }
 
   MessagePort get port2() { return LevelDom.wrapMessagePort(_ptr.port2); }
-
-  String get typeName() { return "MessageChannel"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MessageEventWrappingImplementation extends EventWrappingImplementation implements MessageEvent {
   MessageEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get data() { return _ptr.data; }
 
   String get lastEventId() { return _ptr.lastEventId; }
 
   MessagePort get messagePort() { return LevelDom.wrapMessagePort(_ptr.messagePort); }
 
   String get origin() { return _ptr.origin; }
 
   Window get source() { return LevelDom.wrapWindow(_ptr.source); }
 
   void initMessageEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String dataArg, String originArg, String lastEventIdArg, Window sourceArg, MessagePort messagePort) {
     _ptr.initMessageEvent(typeArg, canBubbleArg, cancelableArg, dataArg, originArg, lastEventIdArg, LevelDom.unwrap(sourceArg), LevelDom.unwrap(messagePort));
     return;
   }
-
-  String get typeName() { return "MessageEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MetaElementWrappingImplementation extends ElementWrappingImplementation implements MetaElement {
   MetaElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get content() { return _ptr.content; }
 
   void set content(String value) { _ptr.content = value; }
 
   String get httpEquiv() { return _ptr.httpEquiv; }
 
   void set httpEquiv(String value) { _ptr.httpEquiv = value; }
 
   String get name() { return _ptr.name; }
 
   void set name(String value) { _ptr.name = value; }
 
   String get scheme() { return _ptr.scheme; }
 
   void set scheme(String value) { _ptr.scheme = value; }
-
-  String get typeName() { return "MetaElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MetadataCallbackWrappingImplementation extends DOMWrapperBase implements MetadataCallback {
   MetadataCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(Metadata metadata) {
     return _ptr.handleEvent(LevelDom.unwrap(metadata));
   }
-
-  String get typeName() { return "MetadataCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MetadataWrappingImplementation extends DOMWrapperBase implements Metadata {
   MetadataWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   Date get modificationTime() { return _ptr.modificationTime; }
-
-  String get typeName() { return "Metadata"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MeterElementWrappingImplementation extends ElementWrappingImplementation implements MeterElement {
   MeterElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 17 matching lines @@
 
   void set min(num value) { _ptr.min = value; }
 
   num get optimum() { return _ptr.optimum; }
 
   void set optimum(num value) { _ptr.optimum = value; }
 
   num get value() { return _ptr.value; }
 
   void set value(num value) { _ptr.value = value; }
-
-  String get typeName() { return "MeterElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ModElementWrappingImplementation extends ElementWrappingImplementation implements ModElement {
   ModElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get cite() { return _ptr.cite; }
 
   void set cite(String value) { _ptr.cite = value; }
 
   String get dateTime() { return _ptr.dateTime; }
 
   void set dateTime(String value) { _ptr.dateTime = value; }
-
-  String get typeName() { return "ModElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MouseEventWrappingImplementation extends UIEventWrappingImplementation implements MouseEvent {
   MouseEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 26 matching lines @@
   Node get toElement() { return LevelDom.wrapNode(_ptr.toElement); }
 
   int get x() { return _ptr.x; }
 
   int get y() { return _ptr.y; }
 
   void initMouseEvent(String type, bool canBubble, bool cancelable, Window view, int detail, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, int button, EventTarget relatedTarget) {
     _ptr.initMouseEvent(type, canBubble, cancelable, LevelDom.unwrap(view), detail, screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, button, LevelDom.unwrap(relatedTarget));
     return;
   }
-
-  String get typeName() { return "MouseEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class MutationEventWrappingImplementation extends EventWrappingImplementation implements MutationEvent {
   MutationEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get attrChange() { return _ptr.attrChange; }
 
   String get attrName() { return _ptr.attrName; }
 
   String get newValue() { return _ptr.newValue; }
 
   String get prevValue() { return _ptr.prevValue; }
 
   Node get relatedNode() { return LevelDom.wrapNode(_ptr.relatedNode); }
 
   void initMutationEvent(String type, bool canBubble, bool cancelable, Node relatedNode, String prevValue, String newValue, String attrName, int attrChange) {
     _ptr.initMutationEvent(type, canBubble, cancelable, LevelDom.unwrap(relatedNode), prevValue, newValue, attrName, attrChange);
     return;
   }
-
-  String get typeName() { return "MutationEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// WARNING: Do not edit - generated code.
+
+class MutationRecordWrappingImplementation extends DOMWrapperBase implements MutationRecord {
+  MutationRecordWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
+
+  ElementList get addedNodes() { return LevelDom.wrapElementList(_ptr.addedNodes); }
+
+  String get attributeName() { return _ptr.attributeName; }
+
+  String get attributeNamespace() { return _ptr.attributeNamespace; }
+
+  Node get nextSibling() { return LevelDom.wrapNode(_ptr.nextSibling); }
+
+  String get oldValue() { return _ptr.oldValue; }
+
+  Node get previousSibling() { return LevelDom.wrapNode(_ptr.previousSibling); }
+
+  ElementList get removedNodes() { return LevelDom.wrapElementList(_ptr.removedNodes); }
+
+  Node get target() { return LevelDom.wrapNode(_ptr.target); }
+
+  String get type() { return _ptr.type; }
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NavigatorUserMediaErrorCallbackWrappingImplementation extends DOMWrapperBase implements NavigatorUserMediaErrorCallback {
   NavigatorUserMediaErrorCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(NavigatorUserMediaError error) {
     return _ptr.handleEvent(LevelDom.unwrap(error));
   }
-
-  String get typeName() { return "NavigatorUserMediaErrorCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NavigatorUserMediaErrorWrappingImplementation extends DOMWrapperBase implements NavigatorUserMediaError {
   NavigatorUserMediaErrorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
-
-  String get typeName() { return "NavigatorUserMediaError"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NavigatorUserMediaSuccessCallbackWrappingImplementation extends DOMWrapperBase implements NavigatorUserMediaSuccessCallback {
   NavigatorUserMediaSuccessCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(LocalMediaStream stream) {
     return _ptr.handleEvent(LevelDom.unwrap(stream));
   }
-
-  String get typeName() { return "NavigatorUserMediaSuccessCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NavigatorWrappingImplementation extends DOMWrapperBase implements Navigator {
   NavigatorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 26 matching lines @@
   String get vendorSub() { return _ptr.vendorSub; }
 
   void getStorageUpdates() {
     _ptr.getStorageUpdates();
     return;
   }
 
   bool javaEnabled() {
     return _ptr.javaEnabled();
   }
-
-  String get typeName() { return "Navigator"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NotationWrappingImplementation extends NodeWrappingImplementation implements Notation {
   NotationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get publicId() { return _ptr.publicId; }
 
   String get systemId() { return _ptr.systemId; }
-
-  String get typeName() { return "Notation"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class NotificationCenterWrappingImplementation extends DOMWrapperBase implements NotificationCenter {
   NotificationCenterWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int checkPermission() {
     return _ptr.checkPermission();
   }
 
   Notification createHTMLNotification(String url) {
     return LevelDom.wrapNotification(_ptr.createHTMLNotification(url));
   }
 
   Notification createNotification(String iconUrl, String title, String body) {
     return LevelDom.wrapNotification(_ptr.createNotification(iconUrl, title, body));
   }
 
   void requestPermission(VoidCallback callback) {
     _ptr.requestPermission(LevelDom.unwrap(callback));
     return;
   }
-
-  String get typeName() { return "NotificationCenter"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OESStandardDerivativesWrappingImplementation extends DOMWrapperBase implements OESStandardDerivatives {
   OESStandardDerivativesWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "OESStandardDerivatives"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OESTextureFloatWrappingImplementation extends DOMWrapperBase implements OESTextureFloat {
   OESTextureFloatWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "OESTextureFloat"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OESVertexArrayObjectWrappingImplementation extends DOMWrapperBase implements OESVertexArrayObject {
   OESVertexArrayObjectWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void bindVertexArrayOES(WebGLVertexArrayObjectOES arrayObject) {
     _ptr.bindVertexArrayOES(LevelDom.unwrap(arrayObject));
     return;
   }
 
   WebGLVertexArrayObjectOES createVertexArrayOES() {
     return LevelDom.wrapWebGLVertexArrayObjectOES(_ptr.createVertexArrayOES());
   }
 
   void deleteVertexArrayOES(WebGLVertexArrayObjectOES arrayObject) {
     _ptr.deleteVertexArrayOES(LevelDom.unwrap(arrayObject));
     return;
   }
 
   bool isVertexArrayOES(WebGLVertexArrayObjectOES arrayObject) {
     return _ptr.isVertexArrayOES(LevelDom.unwrap(arrayObject));
   }
-
-  String get typeName() { return "OESVertexArrayObject"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OListElementWrappingImplementation extends ElementWrappingImplementation implements OListElement {
   OListElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get compact() { return _ptr.compact; }
 
   void set compact(bool value) { _ptr.compact = value; }
 
   int get start() { return _ptr.start; }
 
   void set start(int value) { _ptr.start = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "OListElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ObjectElementWrappingImplementation extends ElementWrappingImplementation implements ObjectElement {
   ObjectElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 72 matching lines @@
   bool get willValidate() { return _ptr.willValidate; }
 
   bool checkValidity() {
     return _ptr.checkValidity();
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "ObjectElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OperationNotAllowedExceptionWrappingImplementation extends DOMWrapperBase implements OperationNotAllowedException {
   OperationNotAllowedExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "OperationNotAllowedException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OptGroupElementWrappingImplementation extends ElementWrappingImplementation implements OptGroupElement {
   OptGroupElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get disabled() { return _ptr.disabled; }
 
   void set disabled(bool value) { _ptr.disabled = value; }
 
   String get label() { return _ptr.label; }
 
   void set label(String value) { _ptr.label = value; }
-
-  String get typeName() { return "OptGroupElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OptionElementWrappingImplementation extends ElementWrappingImplementation implements OptionElement {
   OptionElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 15 matching lines @@
 
   bool get selected() { return _ptr.selected; }
 
   void set selected(bool value) { _ptr.selected = value; }
 
   String get text() { return _ptr.text; }
 
   String get value() { return _ptr.value; }
 
   void set value(String value) { _ptr.value = value; }
-
-  String get typeName() { return "OptionElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OutputElementWrappingImplementation extends ElementWrappingImplementation implements OutputElement {
   OutputElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 26 matching lines @@
   bool get willValidate() { return _ptr.willValidate; }
 
   bool checkValidity() {
     return _ptr.checkValidity();
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "OutputElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class OverflowEventWrappingImplementation extends EventWrappingImplementation implements OverflowEvent {
   OverflowEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get horizontalOverflow() { return _ptr.horizontalOverflow; }
 
   int get orient() { return _ptr.orient; }
 
   bool get verticalOverflow() { return _ptr.verticalOverflow; }
 
   void initOverflowEvent(int orient, bool horizontalOverflow, bool verticalOverflow) {
     _ptr.initOverflowEvent(orient, horizontalOverflow, verticalOverflow);
     return;
   }
-
-  String get typeName() { return "OverflowEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PageTransitionEventWrappingImplementation extends EventWrappingImplementation implements PageTransitionEvent {
   PageTransitionEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get persisted() { return _ptr.persisted; }
 
   void initPageTransitionEvent(String typeArg, bool canBubbleArg, bool cancelableArg, bool persisted) {
     _ptr.initPageTransitionEvent(typeArg, canBubbleArg, cancelableArg, persisted);
     return;
   }
-
-  String get typeName() { return "PageTransitionEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ParagraphElementWrappingImplementation extends ElementWrappingImplementation implements ParagraphElement {
   ParagraphElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
-
-  String get typeName() { return "ParagraphElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ParamElementWrappingImplementation extends ElementWrappingImplementation implements ParamElement {
   ParamElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get name() { return _ptr.name; }
 
   void set name(String value) { _ptr.name = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
 
   String get value() { return _ptr.value; }
 
   void set value(String value) { _ptr.value = value; }
 
   String get valueType() { return _ptr.valueType; }
 
   void set valueType(String value) { _ptr.valueType = value; }
-
-  String get typeName() { return "ParamElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PointWrappingImplementation extends DOMWrapperBase implements Point {
   PointWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-  factory PointWrappingImplementation(num x, num y) {
-    return LevelDom.wrapPoint(_rawWindow.createWebKitPoint(x, y));
-  }
 
   num get x() { return _ptr.x; }
 
   void set x(num value) { _ptr.x = value; }
 
   num get y() { return _ptr.y; }
 
   void set y(num value) { _ptr.y = value; }
-
-  String get typeName() { return "Point"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PopStateEventWrappingImplementation extends EventWrappingImplementation implements PopStateEvent {
   PopStateEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get state() { return _ptr.state; }
 
-  void initPopStateEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String stateArg) {
-    _ptr.initPopStateEvent(typeArg, canBubbleArg, cancelableArg, stateArg);
+  void initPopStateEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Object stateArg) {
+    _ptr.initPopStateEvent(typeArg, canBubbleArg, cancelableArg, LevelDom.unwrapMaybePrimitive(stateArg));
     return;
   }
-
-  String get typeName() { return "PopStateEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PositionCallbackWrappingImplementation extends DOMWrapperBase implements PositionCallback {
   PositionCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(Geoposition position) {
     return _ptr.handleEvent(LevelDom.unwrap(position));
   }
-
-  String get typeName() { return "PositionCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PositionErrorCallbackWrappingImplementation extends DOMWrapperBase implements PositionErrorCallback {
   PositionErrorCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(PositionError error) {
     return _ptr.handleEvent(LevelDom.unwrap(error));
   }
-
-  String get typeName() { return "PositionErrorCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PositionErrorWrappingImplementation extends DOMWrapperBase implements PositionError {
   PositionErrorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
-
-  String get typeName() { return "PositionError"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class PreElementWrappingImplementation extends ElementWrappingImplementation implements PreElement {
   PreElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get width() { return _ptr.width; }
 
   void set width(int value) { _ptr.width = value; }
 
   bool get wrap() { return _ptr.wrap; }
 
   void set wrap(bool value) { _ptr.wrap = value; }
-
-  String get typeName() { return "PreElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ProcessingInstructionWrappingImplementation extends NodeWrappingImplementation implements ProcessingInstruction {
   ProcessingInstructionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get data() { return _ptr.data; }
 
   void set data(String value) { _ptr.data = value; }
 
   StyleSheet get sheet() { return LevelDom.wrapStyleSheet(_ptr.sheet); }
 
   String get target() { return _ptr.target; }
-
-  String get typeName() { return "ProcessingInstruction"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ProgressElementWrappingImplementation extends ElementWrappingImplementation implements ProgressElement {
   ProgressElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   FormElement get form() { return LevelDom.wrapFormElement(_ptr.form); }
 
   ElementList get labels() { return LevelDom.wrapElementList(_ptr.labels); }
 
   num get max() { return _ptr.max; }
 
   void set max(num value) { _ptr.max = value; }
 
   num get position() { return _ptr.position; }
 
   num get value() { return _ptr.value; }
 
   void set value(num value) { _ptr.value = value; }
-
-  String get typeName() { return "ProgressElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ProgressEventWrappingImplementation extends EventWrappingImplementation implements ProgressEvent {
   ProgressEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get lengthComputable() { return _ptr.lengthComputable; }
 
   int get loaded() { return _ptr.loaded; }
 
   int get total() { return _ptr.total; }
 
   void initProgressEvent(String typeArg, bool canBubbleArg, bool cancelableArg, bool lengthComputableArg, int loadedArg, int totalArg) {
     _ptr.initProgressEvent(typeArg, canBubbleArg, cancelableArg, lengthComputableArg, loadedArg, totalArg);
     return;
   }
-
-  String get typeName() { return "ProgressEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class QuoteElementWrappingImplementation extends ElementWrappingImplementation implements QuoteElement {
   QuoteElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get cite() { return _ptr.cite; }
 
   void set cite(String value) { _ptr.cite = value; }
-
-  String get typeName() { return "QuoteElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class RGBColorWrappingImplementation extends DOMWrapperBase implements RGBColor {
   RGBColorWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSPrimitiveValue get alpha() { return LevelDom.wrapCSSPrimitiveValue(_ptr.alpha); }
 
   CSSPrimitiveValue get blue() { return LevelDom.wrapCSSPrimitiveValue(_ptr.blue); }
 
   CSSPrimitiveValue get green() { return LevelDom.wrapCSSPrimitiveValue(_ptr.green); }
 
   CSSPrimitiveValue get red() { return LevelDom.wrapCSSPrimitiveValue(_ptr.red); }
-
-  String get typeName() { return "RGBColor"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class RangeExceptionWrappingImplementation extends DOMWrapperBase implements RangeException {
   RangeExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "RangeException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class RangeWrappingImplementation extends DOMWrapperBase implements Range {
   RangeWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 17 matching lines @@
 
   Range cloneRange() {
     return LevelDom.wrapRange(_ptr.cloneRange());
   }
 
   void collapse(bool toStart) {
     _ptr.collapse(toStart);
     return;
   }
 
-  int compareBoundaryPoints() {
-    return _ptr.compareBoundaryPoints();
-  }
-
   int compareNode(Node refNode) {
     return _ptr.compareNode(LevelDom.unwrap(refNode));
   }
 
   int comparePoint(Node refNode, int offset) {
     return _ptr.comparePoint(LevelDom.unwrap(refNode), offset);
   }
 
   DocumentFragment createContextualFragment(String html) {
     return LevelDom.wrapDocumentFragment(_ptr.createContextualFragment(html));
@@ skipping 72 matching lines @@
   }
 
   void surroundContents(Node newParent) {
     _ptr.surroundContents(LevelDom.unwrap(newParent));
     return;
   }
 
   String toString() {
     return _ptr.toString();
   }
-
-  String get typeName() { return "Range"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class RectWrappingImplementation extends DOMWrapperBase implements Rect {
   RectWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   CSSPrimitiveValue get bottom() { return LevelDom.wrapCSSPrimitiveValue(_ptr.bottom); }
 
   CSSPrimitiveValue get left() { return LevelDom.wrapCSSPrimitiveValue(_ptr.left); }
 
   CSSPrimitiveValue get right() { return LevelDom.wrapCSSPrimitiveValue(_ptr.right); }
 
   CSSPrimitiveValue get top() { return LevelDom.wrapCSSPrimitiveValue(_ptr.top); }
-
-  String get typeName() { return "Rect"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ScreenWrappingImplementation extends DOMWrapperBase implements Screen {
   ScreenWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get availHeight() { return _ptr.availHeight; }
 
   int get availLeft() { return _ptr.availLeft; }
 
   int get availTop() { return _ptr.availTop; }
 
   int get availWidth() { return _ptr.availWidth; }
 
   int get colorDepth() { return _ptr.colorDepth; }
 
   int get height() { return _ptr.height; }
 
   int get pixelDepth() { return _ptr.pixelDepth; }
 
   int get width() { return _ptr.width; }
-
-  String get typeName() { return "Screen"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ScriptElementWrappingImplementation extends ElementWrappingImplementation implements ScriptElement {
   ScriptElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 21 matching lines @@
 
   void set src(String value) { _ptr.src = value; }
 
   String get text() { return _ptr.text; }
 
   void set text(String value) { _ptr.text = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "ScriptElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class SelectElementWrappingImplementation extends ElementWrappingImplementation implements SelectElement {
   SelectElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 61 matching lines @@
   }
 
   Node namedItem(String name) {
     return LevelDom.wrapNode(_ptr.namedItem(name));
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
-
-  String get typeName() { return "SelectElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class SourceElementWrappingImplementation extends ElementWrappingImplementation implements SourceElement {
   SourceElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get media() { return _ptr.media; }
 
   void set media(String value) { _ptr.media = value; }
 
   String get src() { return _ptr.src; }
 
   void set src(String value) { _ptr.src = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "SourceElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// WARNING: Do not edit - generated code.
+
+class SpanElementWrappingImplementation extends ElementWrappingImplementation implements SpanElement {
+  SpanElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class SpeechInputEventWrappingImplementation extends EventWrappingImplementation implements SpeechInputEvent {
   SpeechInputEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   SpeechInputResultList get results() { return LevelDom.wrapSpeechInputResultList(_ptr.results); }
-
-  String get typeName() { return "SpeechInputEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class SpeechInputResultListWrappingImplementation extends DOMWrapperBase implements SpeechInputResultList {
   SpeechInputResultListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   SpeechInputResult item(int index) {
     return LevelDom.wrapSpeechInputResult(_ptr.item(index));
   }
-
-  String get typeName() { return "SpeechInputResultList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class SpeechInputResultWrappingImplementation extends DOMWrapperBase implements SpeechInputResult {
   SpeechInputResultWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get confidence() { return _ptr.confidence; }
 
   String get utterance() { return _ptr.utterance; }
-
-  String get typeName() { return "SpeechInputResult"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageEventWrappingImplementation extends EventWrappingImplementation implements StorageEvent {
   StorageEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get key() { return _ptr.key; }
 
   String get newValue() { return _ptr.newValue; }
 
   String get oldValue() { return _ptr.oldValue; }
 
   Storage get storageArea() { return LevelDom.wrapStorage(_ptr.storageArea); }
 
   String get url() { return _ptr.url; }
 
   void initStorageEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String keyArg, String oldValueArg, String newValueArg, String urlArg, Storage storageAreaArg) {
     _ptr.initStorageEvent(typeArg, canBubbleArg, cancelableArg, keyArg, oldValueArg, newValueArg, urlArg, LevelDom.unwrap(storageAreaArg));
     return;
   }
-
-  String get typeName() { return "StorageEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageInfoErrorCallbackWrappingImplementation extends DOMWrapperBase implements StorageInfoErrorCallback {
   StorageInfoErrorCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(DOMException error) {
     return _ptr.handleEvent(LevelDom.unwrap(error));
   }
-
-  String get typeName() { return "StorageInfoErrorCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageInfoQuotaCallbackWrappingImplementation extends DOMWrapperBase implements StorageInfoQuotaCallback {
   StorageInfoQuotaCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(int grantedQuotaInBytes) {
     return _ptr.handleEvent(grantedQuotaInBytes);
   }
-
-  String get typeName() { return "StorageInfoQuotaCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageInfoUsageCallbackWrappingImplementation extends DOMWrapperBase implements StorageInfoUsageCallback {
   StorageInfoUsageCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(int currentUsageInBytes, int currentQuotaInBytes) {
     return _ptr.handleEvent(currentUsageInBytes, currentQuotaInBytes);
   }
-
-  String get typeName() { return "StorageInfoUsageCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageInfoWrappingImplementation extends DOMWrapperBase implements StorageInfo {
   StorageInfoWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  void queryUsageAndQuota(int storageType, StorageInfoUsageCallback usageCallback, StorageInfoErrorCallback errorCallback) {
-    _ptr.queryUsageAndQuota(storageType, LevelDom.unwrap(usageCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void queryUsageAndQuota(int storageType, [StorageInfoUsageCallback usageCallback = null, StorageInfoErrorCallback errorCallback = null]) {
+    if (usageCallback === null) {
+      if (errorCallback === null) {
+        _ptr.queryUsageAndQuota(storageType);
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.queryUsageAndQuota(storageType, LevelDom.unwrap(usageCallback));
+        return;
+      } else {
+        _ptr.queryUsageAndQuota(storageType, LevelDom.unwrap(usageCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
 
-  void requestQuota(int storageType, int newQuotaInBytes, StorageInfoQuotaCallback quotaCallback, StorageInfoErrorCallback errorCallback) {
-    _ptr.requestQuota(storageType, newQuotaInBytes, LevelDom.unwrap(quotaCallback), LevelDom.unwrap(errorCallback));
-    return;
+  void requestQuota(int storageType, int newQuotaInBytes, [StorageInfoQuotaCallback quotaCallback = null, StorageInfoErrorCallback errorCallback = null]) {
+    if (quotaCallback === null) {
+      if (errorCallback === null) {
+        _ptr.requestQuota(storageType, newQuotaInBytes);
+        return;
+      }
+    } else {
+      if (errorCallback === null) {
+        _ptr.requestQuota(storageType, newQuotaInBytes, LevelDom.unwrap(quotaCallback));
+        return;
+      } else {
+        _ptr.requestQuota(storageType, newQuotaInBytes, LevelDom.unwrap(quotaCallback), LevelDom.unwrap(errorCallback));
+        return;
+      }
+    }
+    throw "Incorrect number or type of arguments";
   }
-
-  String get typeName() { return "StorageInfo"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StorageWrappingImplementation extends DOMWrapperBase implements Storage {
   StorageWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 14 matching lines @@
 
   void removeItem(String key) {
     _ptr.removeItem(key);
     return;
   }
 
   void setItem(String key, String data) {
     _ptr.setItem(key, data);
     return;
   }
-
-  String get typeName() { return "Storage"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StringCallbackWrappingImplementation extends DOMWrapperBase implements StringCallback {
   StringCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool handleEvent(String data) {
     return _ptr.handleEvent(data);
   }
-
-  String get typeName() { return "StringCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StyleElementWrappingImplementation extends ElementWrappingImplementation implements StyleElement {
   StyleElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get disabled() { return _ptr.disabled; }
 
   void set disabled(bool value) { _ptr.disabled = value; }
 
   String get media() { return _ptr.media; }
 
   void set media(String value) { _ptr.media = value; }
 
   StyleSheet get sheet() { return LevelDom.wrapStyleSheet(_ptr.sheet); }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "StyleElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StyleMediaWrappingImplementation extends DOMWrapperBase implements StyleMedia {
   StyleMediaWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get type() { return _ptr.type; }
 
   bool matchMedium(String mediaquery) {
     return _ptr.matchMedium(mediaquery);
   }
-
-  String get typeName() { return "StyleMedia"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StyleSheetListWrappingImplementation extends DOMWrapperBase implements StyleSheetList {
   StyleSheetListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   StyleSheet operator[](int index) {
     return item(index);
   }
 
   void operator[]=(int index, StyleSheet value) {
-    throw new UnsupportedOperationException("Cannot assign element of immutable Array.");
+    throw new UnsupportedOperationException("Cannot assign element of immutable List.");
   }
 
   void add(StyleSheet value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addLast(StyleSheet value) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void addAll(Collection<StyleSheet> collection) {
-    throw new UnsupportedOperationException("Cannot add to immutable Array.");
+    throw new UnsupportedOperationException("Cannot add to immutable List.");
   }
 
   void sort(int compare(StyleSheet a, StyleSheet b)) {
-    throw new UnsupportedOperationException("Cannot sort immutable Array.");
+    throw new UnsupportedOperationException("Cannot sort immutable List.");
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw new UnsupportedOperationException("This object is immutable.");
   }
 
   int indexOf(StyleSheet element, int startIndex) {
     return _Lists.indexOf(this, element, startIndex, this.length);
   }
 
   int lastIndexOf(StyleSheet element, int startIndex) {
     return _Lists.lastIndexOf(this, element, startIndex);
   }
 
   int clear() {
-    throw new UnsupportedOperationException("Cannot clear immutable Array.");
+    throw new UnsupportedOperationException("Cannot clear immutable List.");
   }
 
   StyleSheet removeLast() {
-    throw new UnsupportedOperationException("Cannot removeLast on immutable Array.");
+    throw new UnsupportedOperationException("Cannot removeLast on immutable List.");
   }
 
   StyleSheet last() {
     return this[length - 1];
   }
 
   void forEach(void f(StyleSheet element)) {
     _Collections.forEach(this, f);
   }
 
   Collection<StyleSheet> filter(bool f(StyleSheet element)) {
     return _Collections.filter(this, new List<StyleSheet>(), f);
   }
 
   bool every(bool f(StyleSheet element)) {
     return _Collections.every(this, f);
   }
 
   bool some(bool f(StyleSheet element)) {
     return _Collections.some(this, f);
   }
 
+  void setRange(int start, int length, List<StyleSheet> from, [int startFrom]) {
+    throw new UnsupportedOperationException("Cannot setRange on immutable List.");
+  }
+
+  void removeRange(int start, int length) {
+    throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
+  }
+
+  void insertRange(int start, int length, [StyleSheet initialValue]) {
+    throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
+  }
+
+  List<StyleSheet> getRange(int start, int length) {
+    throw new NotImplementedException();
+  }
+
   bool isEmpty() {
     return length == 0;
   }
 
   Iterator<StyleSheet> iterator() {
     return new _FixedSizeListIterator<StyleSheet>(this);
   }
 
   StyleSheet item(int index) {
     return LevelDom.wrapStyleSheet(_ptr.item(index));
   }
-
-  String get typeName() { return "StyleSheetList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class StyleSheetWrappingImplementation extends DOMWrapperBase implements StyleSheet {
   StyleSheetWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get disabled() { return _ptr.disabled; }
 
   void set disabled(bool value) { _ptr.disabled = value; }
 
   String get href() { return _ptr.href; }
 
   MediaList get media() { return LevelDom.wrapMediaList(_ptr.media); }
 
   Node get ownerNode() { return LevelDom.wrapNode(_ptr.ownerNode); }
 
   StyleSheet get parentStyleSheet() { return LevelDom.wrapStyleSheet(_ptr.parentStyleSheet); }
 
   String get title() { return _ptr.title; }
 
   String get type() { return _ptr.type; }
-
-  String get typeName() { return "StyleSheet"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableCaptionElementWrappingImplementation extends ElementWrappingImplementation implements TableCaptionElement {
   TableCaptionElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get align() { return _ptr.align; }
 
   void set align(String value) { _ptr.align = value; }
-
-  String get typeName() { return "TableCaptionElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableCellElementWrappingImplementation extends ElementWrappingImplementation implements TableCellElement {
   TableCellElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 47 matching lines @@
 
   void set scope(String value) { _ptr.scope = value; }
 
   String get vAlign() { return _ptr.vAlign; }
 
   void set vAlign(String value) { _ptr.vAlign = value; }
 
   String get width() { return _ptr.width; }
 
   void set width(String value) { _ptr.width = value; }
-
-  String get typeName() { return "TableCellElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableColElementWrappingImplementation extends ElementWrappingImplementation implements TableColElement {
   TableColElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 13 matching lines @@
 
   void set span(int value) { _ptr.span = value; }
 
   String get vAlign() { return _ptr.vAlign; }
 
   void set vAlign(String value) { _ptr.vAlign = value; }
 
   String get width() { return _ptr.width; }
 
   void set width(String value) { _ptr.width = value; }
-
-  String get typeName() { return "TableColElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableElementWrappingImplementation extends ElementWrappingImplementation implements TableElement {
   TableElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 77 matching lines @@
   }
 
   void deleteTHead() {
     _ptr.deleteTHead();
     return;
   }
 
   Element insertRow(int index) {
     return LevelDom.wrapElement(_ptr.insertRow(index));
   }
-
-  String get typeName() { return "TableElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableRowElementWrappingImplementation extends ElementWrappingImplementation implements TableRowElement {
   TableRowElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 24 matching lines @@
   void set vAlign(String value) { _ptr.vAlign = value; }
 
   void deleteCell(int index) {
     _ptr.deleteCell(index);
     return;
   }
 
   Element insertCell(int index) {
     return LevelDom.wrapElement(_ptr.insertCell(index));
   }
-
-  String get typeName() { return "TableRowElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TableSectionElementWrappingImplementation extends ElementWrappingImplementation implements TableSectionElement {
   TableSectionElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 16 matching lines @@
   void set vAlign(String value) { _ptr.vAlign = value; }
 
   void deleteRow(int index) {
     _ptr.deleteRow(index);
     return;
   }
 
   Element insertRow(int index) {
     return LevelDom.wrapElement(_ptr.insertRow(index));
   }
-
-  String get typeName() { return "TableSectionElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TextAreaElementWrappingImplementation extends ElementWrappingImplementation implements TextAreaElement {
   TextAreaElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 64 matching lines @@
   String get validationMessage() { return _ptr.validationMessage; }
 
   ValidityState get validity() { return LevelDom.wrapValidityState(_ptr.validity); }
 
   String get value() { return _ptr.value; }
 
   void set value(String value) { _ptr.value = value; }
 
   bool get willValidate() { return _ptr.willValidate; }
 
+  String get wrap() { return _ptr.wrap; }
+
+  void set wrap(String value) { _ptr.wrap = value; }
+
   bool checkValidity() {
     return _ptr.checkValidity();
   }
 
   void select() {
     _ptr.select();
     return;
   }
 
   void setCustomValidity(String error) {
     _ptr.setCustomValidity(error);
     return;
   }
 
-  void setSelectionRange(int start, int end, String direction) {
-    _ptr.setSelectionRange(start, end, direction);
-    return;
+  void setSelectionRange(int start, int end, [String direction = null]) {
+    if (direction === null) {
+      _ptr.setSelectionRange(start, end);
+      return;
+    } else {
+      _ptr.setSelectionRange(start, end, direction);
+      return;
+    }
   }
-
-  String get typeName() { return "TextAreaElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TextEventWrappingImplementation extends UIEventWrappingImplementation implements TextEvent {
   TextEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get data() { return _ptr.data; }
 
   void initTextEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Window viewArg, String dataArg) {
     _ptr.initTextEvent(typeArg, canBubbleArg, cancelableArg, LevelDom.unwrap(viewArg), dataArg);
     return;
   }
-
-  String get typeName() { return "TextEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TextMetricsWrappingImplementation extends DOMWrapperBase implements TextMetrics {
   TextMetricsWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get width() { return _ptr.width; }
-
-  String get typeName() { return "TextMetrics"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TimeRangesWrappingImplementation extends DOMWrapperBase implements TimeRanges {
   TimeRangesWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
   num end(int index) {
     return _ptr.end(index);
   }
 
   num start(int index) {
     return _ptr.start(index);
   }
-
-  String get typeName() { return "TimeRanges"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TitleElementWrappingImplementation extends ElementWrappingImplementation implements TitleElement {
   TitleElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get text() { return _ptr.text; }
 
   void set text(String value) { _ptr.text = value; }
-
-  String get typeName() { return "TitleElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TouchEventWrappingImplementation extends UIEventWrappingImplementation implements TouchEvent {
   TouchEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get altKey() { return _ptr.altKey; }
 
   TouchList get changedTouches() { return LevelDom.wrapTouchList(_ptr.changedTouches); }
 
   bool get ctrlKey() { return _ptr.ctrlKey; }
 
   bool get metaKey() { return _ptr.metaKey; }
 
   bool get shiftKey() { return _ptr.shiftKey; }
 
   TouchList get targetTouches() { return LevelDom.wrapTouchList(_ptr.targetTouches); }
 
   TouchList get touches() { return LevelDom.wrapTouchList(_ptr.touches); }
 
   void initTouchEvent(TouchList touches, TouchList targetTouches, TouchList changedTouches, String type, Window view, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) {
     _ptr.initTouchEvent(LevelDom.unwrap(touches), LevelDom.unwrap(targetTouches), LevelDom.unwrap(changedTouches), type, LevelDom.unwrap(view), screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey);
     return;
   }
-
-  String get typeName() { return "TouchEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TouchListWrappingImplementation extends DOMWrapperBase implements TouchList {
   TouchListWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 56 matching lines @@
   }
 
   bool every(bool f(Touch element)) {
     return _Collections.every(this, f);
   }
 
   bool some(bool f(Touch element)) {
     return _Collections.some(this, f);
   }
 
+  void setRange(int start, int length, List<Touch> from, [int startFrom]) {
+    throw new UnsupportedOperationException("Cannot setRange on immutable List.");
+  }
+
+  void removeRange(int start, int length) {
+    throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
+  }
+
+  void insertRange(int start, int length, [Touch initialValue]) {
+    throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
+  }
+
+  List<Touch> getRange(int start, int length) {
+    throw new NotImplementedException();
+  }
+
   bool isEmpty() {
     return length == 0;
   }
 
   Iterator<Touch> iterator() {
     return new _FixedSizeListIterator<Touch>(this);
   }
 
   Touch item(int index) {
     return LevelDom.wrapTouch(_ptr.item(index));
   }
-
-  String get typeName() { return "TouchList"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TouchWrappingImplementation extends DOMWrapperBase implements Touch {
   TouchWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 13 matching lines @@
 
   EventTarget get target() { return LevelDom.wrapEventTarget(_ptr.target); }
 
   num get webkitForce() { return _ptr.webkitForce; }
 
   int get webkitRadiusX() { return _ptr.webkitRadiusX; }
 
   int get webkitRadiusY() { return _ptr.webkitRadiusY; }
 
   num get webkitRotationAngle() { return _ptr.webkitRotationAngle; }
-
-  String get typeName() { return "Touch"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TrackElementWrappingImplementation extends ElementWrappingImplementation implements TrackElement {
   TrackElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get isDefault() { return _ptr.isDefault; }
 
   void set isDefault(bool value) { _ptr.isDefault = value; }
 
   String get kind() { return _ptr.kind; }
 
   void set kind(String value) { _ptr.kind = value; }
 
   String get label() { return _ptr.label; }
 
   void set label(String value) { _ptr.label = value; }
 
   String get src() { return _ptr.src; }
 
   void set src(String value) { _ptr.src = value; }
 
   String get srclang() { return _ptr.srclang; }
 
   void set srclang(String value) { _ptr.srclang = value; }
-
-  String get typeName() { return "TrackElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class TransitionEventWrappingImplementation extends EventWrappingImplementation implements TransitionEvent {
   TransitionEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   num get elapsedTime() { return _ptr.elapsedTime; }
 
   String get propertyName() { return _ptr.propertyName; }
 
   void initWebKitTransitionEvent(String typeArg, bool canBubbleArg, bool cancelableArg, String propertyNameArg, num elapsedTimeArg) {
     _ptr.initWebKitTransitionEvent(typeArg, canBubbleArg, cancelableArg, propertyNameArg, elapsedTimeArg);
     return;
   }
-
-  String get typeName() { return "TransitionEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class UIEventWrappingImplementation extends EventWrappingImplementation implements UIEvent {
   UIEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 12 matching lines @@
   int get pageY() { return _ptr.pageY; }
 
   Window get view() { return LevelDom.wrapWindow(_ptr.view); }
 
   int get which() { return _ptr.which; }
 
   void initUIEvent(String type, bool canBubble, bool cancelable, Window view, int detail) {
     _ptr.initUIEvent(type, canBubble, cancelable, LevelDom.unwrap(view), detail);
     return;
   }
-
-  String get typeName() { return "UIEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class UListElementWrappingImplementation extends ElementWrappingImplementation implements UListElement {
   UListElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get compact() { return _ptr.compact; }
 
   void set compact(bool value) { _ptr.compact = value; }
 
   String get type() { return _ptr.type; }
 
   void set type(String value) { _ptr.type = value; }
-
-  String get typeName() { return "UListElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Uint16ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Uint16Array {
   Uint16ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Uint16Array subarray(int start, int end) {
-    return LevelDom.wrapUint16Array(_ptr.subarray(start, end));
+  Uint16Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapUint16Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapUint16Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Uint16Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Uint32ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Uint32Array {
   Uint32ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Uint32Array subarray(int start, int end) {
-    return LevelDom.wrapUint32Array(_ptr.subarray(start, end));
+  Uint32Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapUint32Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapUint32Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Uint32Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class Uint8ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Uint8Array {
   Uint8ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get length() { return _ptr.length; }
 
-  Uint8Array subarray(int start, int end) {
-    return LevelDom.wrapUint8Array(_ptr.subarray(start, end));
+  Uint8Array subarray(int start, [int end = null]) {
+    if (end === null) {
+      return LevelDom.wrapUint8Array(_ptr.subarray(start));
+    } else {
+      return LevelDom.wrapUint8Array(_ptr.subarray(start, end));
+    }
   }
-
-  String get typeName() { return "Uint8Array"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class UnknownElementWrappingImplementation extends ElementWrappingImplementation implements UnknownElement {
   UnknownElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "UnknownElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class ValidityStateWrappingImplementation extends DOMWrapperBase implements ValidityState {
   ValidityStateWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   bool get customError() { return _ptr.customError; }
 
   bool get patternMismatch() { return _ptr.patternMismatch; }
 
   bool get rangeOverflow() { return _ptr.rangeOverflow; }
 
   bool get rangeUnderflow() { return _ptr.rangeUnderflow; }
 
   bool get stepMismatch() { return _ptr.stepMismatch; }
 
   bool get tooLong() { return _ptr.tooLong; }
 
   bool get typeMismatch() { return _ptr.typeMismatch; }
 
   bool get valid() { return _ptr.valid; }
 
   bool get valueMissing() { return _ptr.valueMissing; }
-
-  String get typeName() { return "ValidityState"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class VideoElementWrappingImplementation extends MediaElementWrappingImplementation implements VideoElement {
   VideoElementWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 33 matching lines @@
 
   void webkitExitFullScreen() {
     _ptr.webkitExitFullScreen();
     return;
   }
 
   void webkitExitFullscreen() {
     _ptr.webkitExitFullscreen();
     return;
   }
-
-  String get typeName() { return "VideoElement"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class VoidCallbackWrappingImplementation extends DOMWrapperBase implements VoidCallback {
   VoidCallbackWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   void handleEvent() {
     _ptr.handleEvent();
     return;
   }
-
-  String get typeName() { return "VoidCallback"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLActiveInfoWrappingImplementation extends DOMWrapperBase implements WebGLActiveInfo {
   WebGLActiveInfoWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get name() { return _ptr.name; }
 
   int get size() { return _ptr.size; }
 
   int get type() { return _ptr.type; }
-
-  String get typeName() { return "WebGLActiveInfo"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLBufferWrappingImplementation extends DOMWrapperBase implements WebGLBuffer {
   WebGLBufferWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLBuffer"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLContextAttributesWrappingImplementation extends DOMWrapperBase implements WebGLContextAttributes {
   WebGLContextAttributesWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 13 matching lines @@
 
   void set premultipliedAlpha(bool value) { _ptr.premultipliedAlpha = value; }
 
   bool get preserveDrawingBuffer() { return _ptr.preserveDrawingBuffer; }
 
   void set preserveDrawingBuffer(bool value) { _ptr.preserveDrawingBuffer = value; }
 
   bool get stencil() { return _ptr.stencil; }
 
   void set stencil(bool value) { _ptr.stencil = value; }
-
-  String get typeName() { return "WebGLContextAttributes"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLContextEventWrappingImplementation extends EventWrappingImplementation implements WebGLContextEvent {
   WebGLContextEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   String get statusMessage() { return _ptr.statusMessage; }
-
-  String get typeName() { return "WebGLContextEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLFramebufferWrappingImplementation extends DOMWrapperBase implements WebGLFramebuffer {
   WebGLFramebufferWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLFramebuffer"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLProgramWrappingImplementation extends DOMWrapperBase implements WebGLProgram {
   WebGLProgramWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLProgram"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLRenderbufferWrappingImplementation extends DOMWrapperBase implements WebGLRenderbuffer {
   WebGLRenderbufferWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLRenderbuffer"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLRenderingContextWrappingImplementation extends CanvasRenderingContextWrappingImplementation implements WebGLRenderingContext {
   WebGLRenderingContextWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 55 matching lines @@
     _ptr.blendFunc(sfactor, dfactor);
     return;
   }
 
   void blendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) {
     _ptr.blendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
     return;
   }
 
   void bufferData(int target, var data_OR_size, int usage) {
-    if (data_OR_size is int) {
+    if (data_OR_size is ArrayBuffer) {
       _ptr.bufferData(target, LevelDom.unwrap(data_OR_size), usage);
       return;
+    } else {
+      if (data_OR_size is ArrayBufferView) {
+        _ptr.bufferData(target, LevelDom.unwrap(data_OR_size), usage);
+        return;
+      } else {
+        if (data_OR_size is int) {
+          _ptr.bufferData(target, LevelDom.unwrap(data_OR_size), usage);
+          return;
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void bufferSubData(int target, int offset, var data) {
-    if (data is ArrayBufferView) {
+    if (data is ArrayBuffer) {
       _ptr.bufferSubData(target, offset, LevelDom.unwrap(data));
       return;
+    } else {
+      if (data is ArrayBufferView) {
+        _ptr.bufferSubData(target, offset, LevelDom.unwrap(data));
+        return;
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   int checkFramebufferStatus(int target) {
     return _ptr.checkFramebufferStatus(target);
   }
 
   void clear(int mask) {
     _ptr.clear(mask);
@@ skipping 384 matching lines @@
   void stencilOp(int fail, int zfail, int zpass) {
     _ptr.stencilOp(fail, zfail, zpass);
     return;
   }
 
   void stencilOpSeparate(int face, int fail, int zfail, int zpass) {
     _ptr.stencilOpSeparate(face, fail, zfail, zpass);
     return;
   }
 
-  void texImage2D(int target, int level, int internalformat, int format_OR_width, int height_OR_type, var border_OR_canvas_OR_image_OR_pixels, int format, int type, ArrayBufferView pixels) {
-    if (border_OR_canvas_OR_image_OR_pixels is int) {
-      _ptr.texImage2D(target, level, internalformat, format_OR_width, height_OR_type, LevelDom.unwrap(border_OR_canvas_OR_image_OR_pixels), format, type, LevelDom.unwrap(pixels));
-      return;
+  void texImage2D(int target, int level, int internalformat, int format_OR_width, int height_OR_type, var border_OR_canvas_OR_image_OR_pixels, [int format = null, int type = null, ArrayBufferView pixels = null]) {
+    if (border_OR_canvas_OR_image_OR_pixels is ImageData) {
+      if (format === null) {
+        if (type === null) {
+          if (pixels === null) {
+            _ptr.texImage2D(target, level, internalformat, format_OR_width, height_OR_type, LevelDom.unwrap(border_OR_canvas_OR_image_OR_pixels));
+            return;
+          }
+        }
+      }
+    } else {
+      if (border_OR_canvas_OR_image_OR_pixels is ImageElement) {
+        if (format === null) {
+          if (type === null) {
+            if (pixels === null) {
+              _ptr.texImage2D(target, level, internalformat, format_OR_width, height_OR_type, LevelDom.unwrap(border_OR_canvas_OR_image_OR_pixels));
+              return;
+            }
+          }
+        }
+      } else {
+        if (border_OR_canvas_OR_image_OR_pixels is CanvasElement) {
+          if (format === null) {
+            if (type === null) {
+              if (pixels === null) {
+                _ptr.texImage2D(target, level, internalformat, format_OR_width, height_OR_type, LevelDom.unwrap(border_OR_canvas_OR_image_OR_pixels));
+                return;
+              }
+            }
+          }
+        } else {
+          if (border_OR_canvas_OR_image_OR_pixels is int) {
+            _ptr.texImage2D(target, level, internalformat, format_OR_width, height_OR_type, LevelDom.unwrap(border_OR_canvas_OR_image_OR_pixels), format, type, LevelDom.unwrap(pixels));
+            return;
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void texParameterf(int target, int pname, num param) {
     _ptr.texParameterf(target, pname, param);
     return;
   }
 
   void texParameteri(int target, int pname, int param) {
     _ptr.texParameteri(target, pname, param);
     return;
   }
 
-  void texSubImage2D(int target, int level, int xoffset, int yoffset, int format_OR_width, int height_OR_type, var canvas_OR_format_OR_image_OR_pixels, int type, ArrayBufferView pixels) {
-    if (canvas_OR_format_OR_image_OR_pixels is int) {
-      _ptr.texSubImage2D(target, level, xoffset, yoffset, format_OR_width, height_OR_type, LevelDom.unwrap(canvas_OR_format_OR_image_OR_pixels), type, LevelDom.unwrap(pixels));
-      return;
+  void texSubImage2D(int target, int level, int xoffset, int yoffset, int format_OR_width, int height_OR_type, var canvas_OR_format_OR_image_OR_pixels, [int type = null, ArrayBufferView pixels = null]) {
+    if (canvas_OR_format_OR_image_OR_pixels is ImageData) {
+      if (type === null) {
+        if (pixels === null) {
+          _ptr.texSubImage2D(target, level, xoffset, yoffset, format_OR_width, height_OR_type, LevelDom.unwrap(canvas_OR_format_OR_image_OR_pixels));
+          return;
+        }
+      }
+    } else {
+      if (canvas_OR_format_OR_image_OR_pixels is ImageElement) {
+        if (type === null) {
+          if (pixels === null) {
+            _ptr.texSubImage2D(target, level, xoffset, yoffset, format_OR_width, height_OR_type, LevelDom.unwrap(canvas_OR_format_OR_image_OR_pixels));
+            return;
+          }
+        }
+      } else {
+        if (canvas_OR_format_OR_image_OR_pixels is CanvasElement) {
+          if (type === null) {
+            if (pixels === null) {
+              _ptr.texSubImage2D(target, level, xoffset, yoffset, format_OR_width, height_OR_type, LevelDom.unwrap(canvas_OR_format_OR_image_OR_pixels));
+              return;
+            }
+          }
+        } else {
+          if (canvas_OR_format_OR_image_OR_pixels is int) {
+            _ptr.texSubImage2D(target, level, xoffset, yoffset, format_OR_width, height_OR_type, LevelDom.unwrap(canvas_OR_format_OR_image_OR_pixels), type, LevelDom.unwrap(pixels));
+            return;
+          }
+        }
+      }
     }
     throw "Incorrect number or type of arguments";
   }
 
   void uniform1f(WebGLUniformLocation location, num x) {
     _ptr.uniform1f(LevelDom.unwrap(location), x);
     return;
   }
 
   void uniform1fv(WebGLUniformLocation location, Float32Array v) {
@@ skipping 138 matching lines @@
 
   void vertexAttribPointer(int indx, int size, int type, bool normalized, int stride, int offset) {
     _ptr.vertexAttribPointer(indx, size, type, normalized, stride, offset);
     return;
   }
 
   void viewport(int x, int y, int width, int height) {
     _ptr.viewport(x, y, width, height);
     return;
   }
-
-  String get typeName() { return "WebGLRenderingContext"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLShaderWrappingImplementation extends DOMWrapperBase implements WebGLShader {
   WebGLShaderWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLShader"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLTextureWrappingImplementation extends DOMWrapperBase implements WebGLTexture {
   WebGLTextureWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLTexture"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLUniformLocationWrappingImplementation extends DOMWrapperBase implements WebGLUniformLocation {
   WebGLUniformLocationWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLUniformLocation"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WebGLVertexArrayObjectOESWrappingImplementation extends DOMWrapperBase implements WebGLVertexArrayObjectOES {
   WebGLVertexArrayObjectOESWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
-
-  String get typeName() { return "WebGLVertexArrayObjectOES"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class WheelEventWrappingImplementation extends UIEventWrappingImplementation implements WheelEvent {
   WheelEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 24 matching lines @@
   int get wheelDeltaY() { return _ptr.wheelDeltaY; }
 
   int get x() { return _ptr.x; }
 
   int get y() { return _ptr.y; }
 
   void initWheelEvent(int wheelDeltaX, int wheelDeltaY, Window view, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) {
     _ptr.initWheelEvent(wheelDeltaX, wheelDeltaY, LevelDom.unwrap(view), screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey);
     return;
   }
-
-  String get typeName() { return "WheelEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class XMLHttpRequestExceptionWrappingImplementation extends DOMWrapperBase implements XMLHttpRequestException {
   XMLHttpRequestExceptionWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get code() { return _ptr.code; }
 
   String get message() { return _ptr.message; }
 
   String get name() { return _ptr.name; }
-
-  String get typeName() { return "XMLHttpRequestException"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class XMLHttpRequestProgressEventWrappingImplementation extends ProgressEventWrappingImplementation implements XMLHttpRequestProgressEvent {
   XMLHttpRequestProgressEventWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   int get position() { return _ptr.position; }
 
   int get totalSize() { return _ptr.totalSize; }
-
-  String get typeName() { return "XMLHttpRequestProgressEvent"; }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class LevelDom {
   static AnchorElement wrapAnchorElement(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new AnchorElementWrappingImplementation._wrap(raw);
@@ skipping 63 matching lines @@
   }
 
   static BaseElement wrapBaseElement(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BaseElementWrappingImplementation._wrap(raw);
   }
 
   static BeforeLoadEvent wrapBeforeLoadEvent(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BeforeLoadEventWrappingImplementation._wrap(raw);
   }
 
-  static BeforeProcessEvent wrapBeforeProcessEvent(raw) {
-    return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BeforeProcessEventWrappingImplementation._wrap(raw);
-  }
-
   static Blob wrapBlob(raw) {
     if (raw === null) { return null; }
     if (raw.dartObjectLocalStorage !== null) {
       return raw.dartObjectLocalStorage;
     }
     switch (raw.typeName) {
       case "Blob":
         return new BlobWrappingImplementation._wrap(raw);
       case "File":
         return new FileWrappingImplementation._wrap(raw);
       default:
         throw new UnsupportedOperationException("Unknown type:" + raw.toString());
     }
   }
 
   static BlobBuilder wrapBlobBuilder(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BlobBuilderWrappingImplementation._wrap(raw);
   }
 
-  static BlockquoteElement wrapBlockquoteElement(raw) {
-    return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BlockquoteElementWrappingImplementation._wrap(raw);
-  }
-
   static BodyElement wrapBodyElement(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new BodyElementWrappingImplementation._wrap(raw);
   }
 
   static ButtonElement wrapButtonElement(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new ButtonElementWrappingImplementation._wrap(raw);
   }
 
   static CDATASection wrapCDATASection(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new CDATASectionWrappingImplementation._wrap(raw);
@@ skipping 362 matching lines @@
       /* Skipping HTMLAppletElement*/
       case "HTMLAreaElement":
         return new AreaElementWrappingImplementation._wrap(raw);
       case "HTMLAudioElement":
         return new AudioElementWrappingImplementation._wrap(raw);
       case "HTMLBRElement":
         return new BRElementWrappingImplementation._wrap(raw);
       case "HTMLBaseElement":
         return new BaseElementWrappingImplementation._wrap(raw);
       /* Skipping HTMLBaseFontElement*/
-      case "HTMLBlockquoteElement":
-        return new BlockquoteElementWrappingImplementation._wrap(raw);
       case "HTMLBodyElement":
         return new BodyElementWrappingImplementation._wrap(raw);
       case "HTMLButtonElement":
         return new ButtonElementWrappingImplementation._wrap(raw);
       case "HTMLCanvasElement":
         return new CanvasElementWrappingImplementation._wrap(raw);
       case "HTMLDListElement":
         return new DListElementWrappingImplementation._wrap(raw);
       case "HTMLDataListElement":
         return new DataListElementWrappingImplementation._wrap(raw);
@@ skipping 72 matching lines @@
       case "HTMLProgressElement":
         return new ProgressElementWrappingImplementation._wrap(raw);
       case "HTMLQuoteElement":
         return new QuoteElementWrappingImplementation._wrap(raw);
       case "HTMLScriptElement":
         return new ScriptElementWrappingImplementation._wrap(raw);
       case "HTMLSelectElement":
         return new SelectElementWrappingImplementation._wrap(raw);
       case "HTMLSourceElement":
         return new SourceElementWrappingImplementation._wrap(raw);
+      case "HTMLSpanElement":
+        return new SpanElementWrappingImplementation._wrap(raw);
       case "HTMLStyleElement":
         return new StyleElementWrappingImplementation._wrap(raw);
       case "HTMLTableCaptionElement":
         return new TableCaptionElementWrappingImplementation._wrap(raw);
       case "HTMLTableCellElement":
         return new TableCellElementWrappingImplementation._wrap(raw);
       case "HTMLTableColElement":
         return new TableColElementWrappingImplementation._wrap(raw);
       case "HTMLTableElement":
         return new TableElementWrappingImplementation._wrap(raw);
@@ skipping 95 matching lines @@
   static Event wrapEvent(raw) {
     if (raw === null) { return null; }
     if (raw.dartObjectLocalStorage !== null) {
       return raw.dartObjectLocalStorage;
     }
     switch (raw.typeName) {
       case "WebKitAnimationEvent":
         return new AnimationEventWrappingImplementation._wrap(raw);
       case "BeforeLoadEvent":
         return new BeforeLoadEventWrappingImplementation._wrap(raw);
-      case "BeforeProcessEvent":
-        return new BeforeProcessEventWrappingImplementation._wrap(raw);
       case "CloseEvent":
         return new CloseEventWrappingImplementation._wrap(raw);
       case "CompositionEvent":
         return new CompositionEventWrappingImplementation._wrap(raw);
       case "CustomEvent":
         return new CustomEventWrappingImplementation._wrap(raw);
       case "DeviceMotionEvent":
         return new DeviceMotionEventWrappingImplementation._wrap(raw);
       case "DeviceOrientationEvent":
         return new DeviceOrientationEventWrappingImplementation._wrap(raw);
@@ skipping 69 matching lines @@
       case "HTMLAreaElement":
         return new AreaElementWrappingImplementation._wrap(raw);
       /* Skipping Attr*/
       case "HTMLAudioElement":
         return new AudioElementWrappingImplementation._wrap(raw);
       case "HTMLBRElement":
         return new BRElementWrappingImplementation._wrap(raw);
       case "HTMLBaseElement":
         return new BaseElementWrappingImplementation._wrap(raw);
       /* Skipping HTMLBaseFontElement*/
-      case "HTMLBlockquoteElement":
-        return new BlockquoteElementWrappingImplementation._wrap(raw);
       case "HTMLBodyElement":
         return new BodyElementWrappingImplementation._wrap(raw);
       case "HTMLButtonElement":
         return new ButtonElementWrappingImplementation._wrap(raw);
       case "CDATASection":
         return new CDATASectionWrappingImplementation._wrap(raw);
       case "HTMLCanvasElement":
         return new CanvasElementWrappingImplementation._wrap(raw);
       case "CharacterData":
         return new CharacterDataWrappingImplementation._wrap(raw);
@@ skipping 105 matching lines @@
       case "HTMLQuoteElement":
         return new QuoteElementWrappingImplementation._wrap(raw);
       case "HTMLScriptElement":
         return new ScriptElementWrappingImplementation._wrap(raw);
       case "HTMLSelectElement":
         return new SelectElementWrappingImplementation._wrap(raw);
       case "SharedWorker":
         return new SharedWorkerWrappingImplementation._wrap(raw);
       case "HTMLSourceElement":
         return new SourceElementWrappingImplementation._wrap(raw);
+      case "HTMLSpanElement":
+        return new SpanElementWrappingImplementation._wrap(raw);
       case "HTMLStyleElement":
         return new StyleElementWrappingImplementation._wrap(raw);
       case "HTMLTableCaptionElement":
         return new TableCaptionElementWrappingImplementation._wrap(raw);
       case "HTMLTableCellElement":
         return new TableCellElementWrappingImplementation._wrap(raw);
       case "HTMLTableColElement":
         return new TableColElementWrappingImplementation._wrap(raw);
       case "HTMLTableElement":
         return new TableElementWrappingImplementation._wrap(raw);
@@ skipping 399 matching lines @@
   }
 
   static MouseEvent wrapMouseEvent(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new MouseEventWrappingImplementation._wrap(raw);
   }
 
   static MutationEvent wrapMutationEvent(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new MutationEventWrappingImplementation._wrap(raw);
   }
 
+  static MutationRecord wrapMutationRecord(raw) {
+    return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new MutationRecordWrappingImplementation._wrap(raw);
+  }
+
   static Navigator wrapNavigator(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new NavigatorWrappingImplementation._wrap(raw);
   }
 
   static NavigatorUserMediaError wrapNavigatorUserMediaError(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new NavigatorUserMediaErrorWrappingImplementation._wrap(raw);
   }
 
   static NavigatorUserMediaErrorCallback wrapNavigatorUserMediaErrorCallback(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new NavigatorUserMediaErrorCallbackWrappingImplementation._wrap(raw);
@@ skipping 15 matching lines @@
       case "HTMLAreaElement":
         return new AreaElementWrappingImplementation._wrap(raw);
       /* Skipping Attr*/
       case "HTMLAudioElement":
         return new AudioElementWrappingImplementation._wrap(raw);
       case "HTMLBRElement":
         return new BRElementWrappingImplementation._wrap(raw);
       case "HTMLBaseElement":
         return new BaseElementWrappingImplementation._wrap(raw);
       /* Skipping HTMLBaseFontElement*/
-      case "HTMLBlockquoteElement":
-        return new BlockquoteElementWrappingImplementation._wrap(raw);
       case "HTMLBodyElement":
         return new BodyElementWrappingImplementation._wrap(raw);
       case "HTMLButtonElement":
         return new ButtonElementWrappingImplementation._wrap(raw);
       case "CDATASection":
         return new CDATASectionWrappingImplementation._wrap(raw);
       case "HTMLCanvasElement":
         return new CanvasElementWrappingImplementation._wrap(raw);
       case "CharacterData":
         return new CharacterDataWrappingImplementation._wrap(raw);
@@ skipping 93 matching lines @@
       case "HTMLProgressElement":
         return new ProgressElementWrappingImplementation._wrap(raw);
       case "HTMLQuoteElement":
         return new QuoteElementWrappingImplementation._wrap(raw);
       case "HTMLScriptElement":
         return new ScriptElementWrappingImplementation._wrap(raw);
       case "HTMLSelectElement":
         return new SelectElementWrappingImplementation._wrap(raw);
       case "HTMLSourceElement":
         return new SourceElementWrappingImplementation._wrap(raw);
+      case "HTMLSpanElement":
+        return new SpanElementWrappingImplementation._wrap(raw);
       case "HTMLStyleElement":
         return new StyleElementWrappingImplementation._wrap(raw);
       case "HTMLTableCaptionElement":
         return new TableCaptionElementWrappingImplementation._wrap(raw);
       case "HTMLTableCellElement":
         return new TableCellElementWrappingImplementation._wrap(raw);
       case "HTMLTableColElement":
         return new TableColElementWrappingImplementation._wrap(raw);
       case "HTMLTableElement":
         return new TableElementWrappingImplementation._wrap(raw);
@@ skipping 164 matching lines @@
   }
 
   static SharedWorker wrapSharedWorker(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SharedWorkerWrappingImplementation._wrap(raw);
   }
 
   static SourceElement wrapSourceElement(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SourceElementWrappingImplementation._wrap(raw);
   }
 
+  static SpanElement wrapSpanElement(raw) {
+    return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SpanElementWrappingImplementation._wrap(raw);
+  }
+
   static SpeechInputEvent wrapSpeechInputEvent(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SpeechInputEventWrappingImplementation._wrap(raw);
   }
 
   static SpeechInputResult wrapSpeechInputResult(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SpeechInputResultWrappingImplementation._wrap(raw);
   }
 
   static SpeechInputResultList wrapSpeechInputResultList(raw) {
     return raw === null ? null : raw.dartObjectLocalStorage !== null ? raw.dartObjectLocalStorage : new SpeechInputResultListWrappingImplementation._wrap(raw);
@@ skipping 476 matching lines @@
 
 class DOMWrapperBase {
   final _ptr;
 
   DOMWrapperBase._wrap(this._ptr) {
         // We should never be creating duplicate wrappers.
         assert(_ptr.dartObjectLocalStorage === null);
         _ptr.dartObjectLocalStorage = this;
   }
 }
+
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 interface DocumentEvents extends ElementEvents {
   EventListenerList get readyStateChange();
   EventListenerList get selectionChange();
   EventListenerList get contentLoaded();
 }
 
@@ skipping 74 matching lines @@
   String get manifest();
 
   void set manifest(String value);
 
   DocumentEvents get on();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+/**
+ * Provides a Map abstraction on top of data-* attributes, similar to the
+ * dataSet in the old DOM.
+ */
+class _DataAttributeMap implements Map<String, String> {
+
+  final Map<String, String> _attributes;
+
+  _DataAttributeMap(this._attributes);
+
+  // interface Map
+
+  // TODO: Use lazy iterator when it is available on Map.
+  bool containsValue(String value) => getValues().some((v) => v == value);
+
+  bool containsKey(String key) => _attributes.containsKey(_attr(key));
+
+  String operator [](String key) => _attributes[_attr(key)];
+
+  void operator []=(String key, String value) {
+    _attributes[_attr(key)] = value;
+  }
+
+  String putIfAbsent(String key, String ifAbsent()) {
+    if (!containsKey(key)) {
+      return this[key] = ifAbsent();
+    }
+    return this[key];
+  }
+
+  String remove(String key) => _attributes.remove(_attr(key));
+
+  void clear() {
+    // Needs to operate on a snapshot since we are mutatiting the collection.
+    for (String key in getKeys()) {
+      remove(key);
+    }
+  }
+
+  void forEach(void f(String key, String value)) {
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        f(_strip(key), value);
+      }
+    });
+  }
+
+  Collection<String> getKeys() {
+    final keys = new List<String>();
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        keys.add(_strip(key));
+      }
+    });
+    return keys;
+  }
+
+  Collection<String> getValues() {
+    final values = new List<String>();
+    _attributes.forEach((String key, String value) {
+      if (_matches(key)) {
+        values.add(value);
+      }
+    });
+    return values;
+  }
+
+  int get length() => getKeys().length;
+
+  // TODO: Use lazy iterator when it is available on Map.
+  bool isEmpty() => length == 0;
+
+  // Helpers.
+  String _attr(String key) => 'data-$key';
+  bool _matches(String key) => key.startsWith('data-');
+  String _strip(String key) => key.substring(5);
+}
+
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 interface BodyElementEvents extends ElementEvents {
   EventListenerList get beforeUnload();
   EventListenerList get hashChange();
   EventListenerList get message();
   EventListenerList get offline();
   EventListenerList get online();
   EventListenerList get orientationChange();
   EventListenerList get popState();
   EventListenerList get resize();
   EventListenerList get storage();
@@ skipping 173 matching lines @@
     List list = new List.from(s);
     return Strings.join(list, ' ');
   }
 
 }
 
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-/**
- * Provides a Map abstraction on top of data-* attributes, similar to the
- * dataSet in the old DOM.
- */
-class _DataAttributeMap implements Map<String, String> {
-
-  final Map<String, String> _attributes;
-
-  _DataAttributeMap(this._attributes);
-
-  // interface Map
-
-  // TODO: Use lazy iterator when it is available on Map.
-  bool containsValue(String value) => getValues().some((v) => v == value);
-
-  bool containsKey(String key) => _attributes.containsKey(_attr(key));
-
-  String operator [](String key) => _attributes[_attr(key)];
-
-  void operator []=(String key, String value) {
-    _attributes[_attr(key)] = value;
-  }
-
-  String putIfAbsent(String key, String ifAbsent()) {
-    if (!containsKey(key)) {
-      return this[key] = ifAbsent();
-    }
-    return this[key];
-  }
-
-  String remove(String key) => _attributes.remove(_attr(key));
-
-  void clear() {
-    // Needs to operate on a snapshot since we are mutatiting the collection.
-    for (String key in getKeys()) {
-      remove(key);
-    }
-  }
-
-  void forEach(void f(String key, String value)) {
-    _attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        f(_strip(key), value);
-      }
-    });
-  }
-
-  Collection<String> getKeys() {
-    final keys = new List<String>();
-    _attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        keys.add(_strip(key));
-      }
-    });
-    return keys;
-  }
-
-  Collection<String> getValues() {
-    final values = new List<String>();
-    _attributes.forEach((String key, String value) {
-      if (_matches(key)) {
-        values.add(value);
-      }
-    });
-    return values;
-  }
-
-  int get length() => getKeys().length;
-
-  // TODO: Use lazy iterator when it is available on Map.
-  bool isEmpty() => length == 0;
-
-  // Helpers.
-  String _attr(String key) => 'data-$key';
-  bool _matches(String key) => key.startsWith('data-');
-  String _strip(String key) => key.substringToEnd(5);
-}
-
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
 interface DocumentFragment extends Node factory DocumentFragmentWrappingImplementation {
  
   DocumentFragment();
 
   Element query(String selectors);
 
   ElementList queryAll(String selectors);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class DocumentFragmentWrappingImplementation extends NodeWrappingImplementation implements DocumentFragment {
   DocumentFragmentWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
   factory DocumentFragmentWrappingImplementation() {
     return new DocumentFragmentWrappingImplementation._wrap(
-            _rawDocument.createDocumentFragment());
+            dom.document.createDocumentFragment());
   }
 
   Element query(String selectors) {
     return LevelDom.wrapElement(_ptr.querySelector(selectors));
   }
 
   ElementList queryAll(String selectors) {
     return LevelDom.wrapElementList(_ptr.querySelectorAll(selectors));
   }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class DocumentEventsImplementation extends ElementEventsImplementation
       implements DocumentEvents {
   
   DocumentEventsImplementation._wrap(_ptr) : super._wrap(_ptr);
 
   EventListenerList get readyStateChange() => _get('readystatechange');
 
   EventListenerList get selectionChange() => _get('selectionchange');
 
   EventListenerList get contentLoaded() => _get('DOMContentLoaded');
 }
 
 class DocumentWrappingImplementation extends ElementWrappingImplementation implements Document {
+
   final _documentPtr;
 
   DocumentWrappingImplementation._wrap(this._documentPtr, ptr) : super._wrap(ptr) {
     // We have to set the back ptr on the document as well as the documentElement
     // so that it is always simple to detect when an existing wrapper exists.
     _documentPtr.dartObjectLocalStorage = this;
   }
 
   Element get activeElement() => LevelDom.wrapElement(_documentPtr.activeElement);
 
@@ skipping 168 matching lines @@
     factory ElementWrappingImplementation {
 
   Element.html(String html);
   Element.tag(String tag);
 
   Map<String, String> get attributes();
   void set attributes(Map<String, String> value);
 
   ElementList get elements();
 
+  // TODO: The type of value should be Collection<Element>. See http://b/5392897
+  void set elements(value);
+
   _CssClassSet get classes();
 
   // TODO: The type of value should be Collection<String>. See http://b/5392897
   void set classes(value);
 
   Map<String, String> get dataAttributes();
   void set dataAttributes(Map<String, String> value);
 
   int get clientHeight();
 
@@ skipping 96 matching lines @@
   Element insertAdjacentElement([String where, Element element]);
 
   void insertAdjacentHTML([String position_OR_where, String text]);
 
   void insertAdjacentText([String where, String text]);
 
   Element query(String selectors);
 
   ElementList queryAll(String selectors);
 
+  Element get parent();
+
   void scrollByLines([int lines]);
 
   void scrollByPages([int pages]);
 
   void scrollIntoView([bool centerIfNeeded]);
 
   bool matchesSelector([String selectors]);
 
   ElementEvents get on();
 }
@@ skipping 76 matching lines @@
    void set length(int newLength) {
      // TODO(jacobr): remove children when length is reduced.
      throw const UnsupportedOperationException('');
    }
 
   Element add(Element value) {
     _element.appendChild(LevelDom.unwrap(value));
     return value;
   }
 
-  Element addLast(Element value) {
-    _element.appendChild(LevelDom.unwrap(value));
-    return value;
-  }
+  Element addLast(Element value) => add(value);
 
-  Iterator<Element> iterator() {
-    return _toList().iterator();
-  }
+  Iterator<Element> iterator() => _toList().iterator();
 
   void addAll(Collection<Element> collection) {
     for (Element element in collection) {
       _element.appendChild(LevelDom.unwrap(element));
     }
   }
 
   void sort(int compare(Element a, Element b)) {
     throw const UnsupportedOperationException('TODO(jacobr): should we impl?');
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw 'Not impl yet. todo(jacobr)';
   }
 
+  void setRange(int start, int length, List from, [int startFrom = 0]) {
+    throw const NotImplementedException();
+  }
+
+  void removeRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
+  void insertRange(int start, int length, [initialValue = null]) {
+    throw const NotImplementedException();
+  }
+
+  List getRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
   int indexOf(Element element, int startIndex) {
-    throw 'Not impl yet. todo(jacobr)';
+    return _Lists.indexOf(this, element, startIndex, this.length);
   }
 
   int lastIndexOf(Element element, int startIndex) {
-    throw 'Not impl yet. todo(jacobr)';
+    return _Lists.lastIndexOf(this, element, startIndex);
   }
 
   void clear() {
-    throw 'Not impl yet. todo(jacobr)';
+    // It is unclear if we want to keep non element nodes?
+    _element.textContent = '';
   }
 
   Element removeLast() {
-    throw 'Not impl yet. todo(jacobr)';
+    final last = this.last();
+    if (last != null) {
+      _element.removeChild(LevelDom.unwrap(last));
+    }
+    return last;
   }
 
   Element last() {
     return LevelDom.wrapElement(_element.lastElementChild);
   }
 }
 
 class FrozenElementList implements ElementList {
   final _ptr;
 
@@ skipping 57 matching lines @@
   }
 
   void sort(int compare(Element a, Element b)) {
     throw const UnsupportedOperationException('');
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw 'Not impl yet. todo(jacobr)';
   }
 
+  void setRange(int start, int length, List from, [int startFrom = 0]) {
+    throw const NotImplementedException();
+  }
+
+  void removeRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
+  void insertRange(int start, int length, [initialValue = null]) {
+    throw const NotImplementedException();
+  }
+
+  List getRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
   int indexOf(Element element, int startIndex) {
     throw 'Not impl yet. todo(jacobr)';
   }
 
   int lastIndexOf(Element element, int startIndex) {
     throw 'Not impl yet. todo(jacobr)';
   }
 
   void clear() {
     throw 'Not impl yet. todo(jacobr)';
@@ skipping 165 matching lines @@
   EventListenerList get touchCancel() => _get("touchcancel");
   EventListenerList get touchEnd() => _get("touchend");
   EventListenerList get touchLeave() => _get("touchleave");
   EventListenerList get touchMove() => _get("touchmove");
   EventListenerList get touchStart() => _get("touchstart");
   EventListenerList get transitionEnd() => _get("webkitTransitionEnd");
   EventListenerList get fullscreenChange() => _get("fullscreenchange");
 }
 
 class ElementWrappingImplementation extends NodeWrappingImplementation implements Element {
- 
+
    factory ElementWrappingImplementation.html(String html) {
-    final temp = _rawDocument.createElement('div');
+    final temp = dom.document.createElement('div');
     temp.innerHTML = html;
 
     if (temp.childElementCount != 1) {
       throw 'HTML had ${temp.childElementCount} top level elements but 1 expected';
     }
 
     return LevelDom.wrapElement(temp.firstElementChild);
   }
 
   factory ElementWrappingImplementation.tag(String tag) {
-    return LevelDom.wrapElement(_rawDocument.createElement(tag));
+    return LevelDom.wrapElement(dom.document.createElement(tag));
   }
 
   ElementWrappingImplementation._wrap(ptr) : super._wrap(ptr);
 
   ElementAttributeMap _elementAttributeMap;
+  ElementList _elements;
   _CssClassSet _cssClassSet;
   _DataAttributeMap _dataAttributes;
 
   Map<String, String> get attributes() {
     if (_elementAttributeMap === null) {
       _elementAttributeMap = new ElementAttributeMap._wrap(_ptr);
     }
     return _elementAttributeMap;
   }
 
   void set attributes(Map<String, String> value) {
     Map<String, String> attributes = this.attributes;
     attributes.clear();
     for (String key in value.getKeys()) {
       attributes[key] = value[key];
     }
   }
 
-  ElementList get elements() => new _ChildrenElementList._wrap(_ptr);
+  void set elements(Collection<Element> value) {
+    // Copy list first since we don't want liveness during iteration.
+    List copy = new List.from(value);
+    final elements = this.elements;
+    elements.clear();
+    elements.addAll(copy);
+  }
+
+  ElementList get elements() {
+    if (_elements == null) {
+      _elements = new _ChildrenElementList._wrap(_ptr);
+    }
+    return _elements;
+  }
 
   Set<String> get classes() {
     if (_cssClassSet === null) {
       _cssClassSet = new _CssClassSet(_ptr);
     }
     return _cssClassSet;
   }
 
   void set classes(Collection<String> value) {
     _CssClassSet classSet = classes;
@@ skipping 381 matching lines @@
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 var secretWindow;
 var secretDocument;
 
 Window get window() {
   if (secretWindow === null) {
-    LevelDom.initialize(BootstrapHacks.getWindow());
+    LevelDom.initialize(dom.window);
   }
   return secretWindow;
 }
 
 Document get document() {
   if (secretWindow === null) {
-    LevelDom.initialize(BootstrapHacks.getWindow());
+    LevelDom.initialize(dom.window);
   }
   return secretDocument;
 }
-
-get _rawDocument() {
-  return document.dynamic._documentPtr;
-}
-
-get _rawWindow() {
-  return BootstrapHacks.getWindow();
-}
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 interface MessagePort extends EventTarget {
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class MessagePortWrappingImplementation extends EventTargetWrappingImplementation implements MessagePort {
   MessagePortWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // TODO(jacobr): stop extending eventTarget.
 interface Node extends EventTarget {
 
   NodeList get nodes();
-  // TODO(jacobr): add nodes setter that replaces all children.
+
+  // TODO: The type of value should be Collection<Node>. See http://b/5392897
+  void set nodes(value);
 
   Node get nextNode();
 
   Document get document();
 
-  // TODO(jacobr): should we remove parentElement?
-  Element get parentElement();
-
   Node get parent();
 
   Node get previousNode();
 
   String get text();
 
   void set text(String value);
 
   Node replaceWith(Node otherNode);
 
   Node remove();
 
-  bool get inDocument();
-
   bool contains(Node otherNode);
 
   // TODO(jacobr): remove when/if Array supports a method similar to
   // insertBefore or we switch NodeList to implement LinkedList rather than
   // array.
   Node insertBefore(Node newChild, Node refChild);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
@@ skipping 101 matching lines @@
   }
 
   void sort(int compare(Node a, Node b)) {
     throw const UnsupportedOperationException('TODO(jacobr): should we impl?');
   }
 
   void copyFrom(List<Object> src, int srcStart, int dstStart, int count) {
     throw 'Not impl yet. todo(jacobr)';
   }
 
+  void setRange(int start, int length, List from, [int startFrom = 0]) {
+    throw const NotImplementedException();
+  }
+
+  void removeRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
+  void insertRange(int start, int length, [initialValue = null]) {
+    throw const NotImplementedException();
+  }
+
+  List getRange(int start, int length) {
+    throw const NotImplementedException();
+  }
+
   int indexOf(Node element, int startIndex) {
-    throw 'Not impl yet. todo(jacobr)';
+    return _Lists.indexOf(this, element, startIndex, this.length);
   }
 
   int lastIndexOf(Node element, int startIndex) {
-    throw 'Not impl yet. todo(jacobr)';
+    return _Lists.lastIndexOf(this, element, startIndex);
   }
 
   void clear() {
-    throw 'Not impl yet. todo(jacobr)';
+    _node.textContent = '';
   }
 
   Node removeLast() {
-    throw 'Not impl yet. todo(jacobr)';
+    final last = this.last();
+    if (last != null) {
+      _node.removeChild(LevelDom.unwrap(last));
+    }
+    return last;
   }
 
   Node last() {
     return LevelDom.wrapNode(_node.lastChild);
   }
 }
 
 class NodeWrappingImplementation extends EventTargetWrappingImplementation implements Node {
   NodeList _nodes;
 
   NodeWrappingImplementation._wrap(ptr) : super._wrap(ptr);
 
+  void set nodes(Collection<Node> value) {
+    // Copy list first since we don't want liveness during iteration.
+    List copy = new List.from(value);
+    nodes.clear();
+    nodes.addAll(copy);
+  }
+
   NodeList get nodes() {
     if (_nodes === null) {
       _nodes = new _ChildrenNodeList._wrap(_ptr);
     }
     return _nodes;
   }
 
   Node get nextNode() => LevelDom.wrapNode(_ptr.nextSibling);
 
   Document get document() => LevelDom.wrapDocument(_ptr.ownerDocument);
 
-  // TODO(jacobr): should we remove parentElement?
-  Element get parentElement() => LevelDom.wrapElement(_ptr.parentElement);
-
   Node get parent() => LevelDom.wrapNode(_ptr.parentNode);
 
   Node get previousNode() => LevelDom.wrapNode(_ptr.previousSibling);
 
   String get text() => _ptr.textContent;
 
   void set text(String value) { _ptr.textContent = value; }
 
   // New methods implemented.
   Node replaceWith(Node otherNode) {
     try {
       _ptr.parentNode.replaceChild(LevelDom.unwrap(otherNode), _ptr);
     } catch(var e) {
       // TODO(jacobr): what should we return on failure?
     }
     return this;
   }
 
   Node remove() {
     // TODO(jacobr): should we throw an exception if parent is already null?
     if (_ptr.parentNode !== null) {
       _ptr.parentNode.removeChild(_ptr);
     }
     return this;
   }
 
-  /**
-   * Returns whether the node is attached to a document.
-   */
-  bool get inDocument() {
-    var node = _ptr;
-    // TODO(jacobr): is there a faster way to compute this?
-    while(node !== null) {
-      if (node.nodeType == 9) {
-        return true;
-      }
-      node = node.parentNode;
+  bool contains(Node otherNode) {
+    // TODO: Feature detect and use built in.
+    while (otherNode != null && otherNode != this) {
+      otherNode = otherNode.parent;
     }
-    return false;
-  }
-
-  // TODO(jacobr): implement this.  It is supported by Element.
-  bool contains(Node otherNode) {
-    if (nodes.length > 0) {
-      // TODO(jacobr): implement.
-      throw 'Contains not implemented yet for non-leaf and non-element nodes.';
-    } else {
-      return false;
-    }
+    return otherNode == this;
   }
 
   // TODO(jacobr): remove when/if List supports a method similar to
   // insertBefore or we switch NodeList to implement LinkedList rather than
   // array.
   Node insertBefore(Node newChild, Node refChild) {
     return LevelDom.wrapNode(_ptr.insertBefore(
         LevelDom.unwrap(newChild), LevelDom.unwrap(refChild)));
   }
 
@@ skipping 116 matching lines @@
   Text replaceWholeText([String content]);
 
   Text splitText([int offset]);
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class TextWrappingImplementation extends CharacterDataWrappingImplementation implements Text {
   factory TextWrappingImplementation(String content) {
-    return new TextWrappingImplementation._wrap(_rawDocument.createTextNode(content));
+    return new TextWrappingImplementation._wrap(
+        dom.document.createTextNode(content));
   }
 
   TextWrappingImplementation._wrap(ptr) : super._wrap(ptr);
 
   String get wholeText() => _ptr.wholeText;
 
   Text replaceWholeText([String content = null]) {
     if (content === null) {
       return LevelDom.wrapText(_ptr.replaceWholeText());
     } else {
@@ skipping 1313 matching lines @@
   void postMessage(String message, [MessagePort messagePort]);
 
   void terminate();
 
   WorkerEvents get on();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-// TODO(jacobr): move into a core library or at least merge with the copy
-// in client/dom/src
-class _Lists {
-
-  /**
-   * Returns the index in the array [a] of the given [element], starting
-   * the search at index [startIndex] to [endIndex] (exclusive).
-   * Returns -1 if [element] is not found.
-   */
-  static int indexOf(List a,
-                     Object element,
-                     int startIndex,
-                     int endIndex) {
-    if (startIndex >= a.length) {
-      return -1;
-    }
-    if (startIndex < 0) {
-      startIndex = 0;
-    }
-    for (int i = startIndex; i < endIndex; i++) {
-      if (a[i] == element) {
-        return i;
-      }
-    }
-    return -1;
-  }
-
-  /**
-   * Returns the last index in the array [a] of the given [element], starting
-   * the search at index [startIndex] to 0.
-   * Returns -1 if [element] is not found.
-   */
-  static int lastIndexOf(List a, Object element, int startIndex) {
-    if (startIndex < 0) {
-      return -1;
-    }
-    if (startIndex >= a.length) {
-      startIndex = a.length - 1;
-    }
-    for (int i = startIndex; i >= 0; i--) {
-      if (a[i] == element) {
-        return i;
-      }
-    }
-    return -1;
-  }
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Iterator for lists with fixed size.
-class _FixedSizeListIterator<T> extends _VariableSizeListIterator<T> {
-  _FixedSizeListIterator(List<T> list)
-      : super(list),
-        _length = list.length;
-
-  bool hasNext() => _length > _pos;
-
-  final int _length;  // Cache list length for faster access.
-}
-
-// Iterator for lists with variable size.
-class _VariableSizeListIterator<T> implements Iterator<T> {
-  _VariableSizeListIterator(List<T> list)
-      : _list = list,
-        _pos = 0;
-
-  bool hasNext() => _list.length > _pos;
-
-  T next() {
-    if (!hasNext()) {
-      throw const NoMoreElementsException();
-    }
-    return _list[_pos++];
-  }
-
-  final List<T> _list;
-  int _pos;
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/**
- * The [Collections] class implements static methods useful when
- * writing a class that implements [Collection] and the [iterator]
- * method.
- */
-class _Collections {
-  static void forEach(Iterable<Object> iterable, void f(Object o)) {
-    for (final e in iterable) {
-      f(e);
-    }
-  }
-
-  static bool some(Iterable<Object> iterable, bool f(Object o)) {
-    for (final e in iterable) {
-      if (f(e)) return true;
-    }
-    return false;
-  }
-
-  static bool every(Iterable<Object> iterable, bool f(Object o)) {
-    for (final e in iterable) {
-      if (!f(e)) return false;
-    }
-    return true;
-  }
-
-  static List filter(Iterable<Object> source,
-                     List<Object> destination,
-                     bool f(o)) {
-    for (final e in source) {
-      if (f(e)) destination.add(e);
-    }
-    return destination;
-  }
-
-  static bool isEmpty(Iterable<Object> iterable) {
-    return !iterable.iterator().hasNext();
-  }
-}
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
 class WorkerEventsImplementation extends AbstractWorkerEventsImplementation
     implements WorkerEvents {
   WorkerEventsImplementation._wrap(_ptr) : super._wrap(_ptr);
 
   EventListenerList get message() => _get('message');
 }
 
 class WorkerWrappingImplementation extends EventTargetWrappingImplementation implements Worker {
   WorkerWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
@@ skipping 135 matching lines @@
 
   EventListenerList get abort() => _get('abort');
   EventListenerList get error() => _get('error');
   EventListenerList get load() => _get('load');
   EventListenerList get loadStart() => _get('loadstart');
   EventListenerList get progress() => _get('progress');
   EventListenerList get readyStateChange() => _get('readystatechange');
 }
 
 class XMLHttpRequestWrappingImplementation extends EventTargetWrappingImplementation implements XMLHttpRequest {
-  XMLHttpRequestWrappingImplementation._wrap(ptr) : super._wrap(ptr);
+  XMLHttpRequestWrappingImplementation._wrap(
+      dom.XMLHttpRequest ptr) : super._wrap(ptr);
 
   factory XMLHttpRequestWrappingImplementation() {
-    return LevelDom.wrapXMLHttpRequest(_rawWindow.createXMLHttpRequest());
+    return new XMLHttpRequestWrappingImplementation._wrap(
+        new dom.XMLHttpRequest());
   }
 
   factory XMLHttpRequestWrappingImplementation.getTEMPNAME(String url,
       onSuccess(XMLHttpRequest request)) {
     final request = new XMLHttpRequest();
     request.open('GET', url, true);
 
     // TODO(terry): Validate after client login added if necessary to forward
     //              cookies to server.
     request.withCredentials = true;
@@ skipping 88 matching lines @@
     _ptr.setRequestHeader(header, value);
   }
 
   XMLHttpRequestEvents get on() {
     if (_on === null) {
       _on = new XMLHttpRequestEventsImplementation._wrap(_ptr);
     }
     return _on;
   }
 }
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/**
+ * The [Collections] class implements static methods useful when
+ * writing a class that implements [Collection] and the [iterator]
+ * method.
+ */
+class _Collections {
+  static void forEach(Iterable<Object> iterable, void f(Object o)) {
+    for (final e in iterable) {
+      f(e);
+    }
+  }
+
+  static bool some(Iterable<Object> iterable, bool f(Object o)) {
+    for (final e in iterable) {
+      if (f(e)) return true;
+    }
+    return false;
+  }
+
+  static bool every(Iterable<Object> iterable, bool f(Object o)) {
+    for (final e in iterable) {
+      if (!f(e)) return false;
+    }
+    return true;
+  }
+
+  static List filter(Iterable<Object> source,
+                     List<Object> destination,
+                     bool f(o)) {
+    for (final e in source) {
+      if (f(e)) destination.add(e);
+    }
+    return destination;
+  }
+
+  static bool isEmpty(Iterable<Object> iterable) {
+    return !iterable.iterator().hasNext();
+  }
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+
+// These factory methods could all live in one factory provider class but dartc
+// has a bug (5399939) preventing that.
+
+class _FileReaderFactoryProvider {
+
+  factory FileReader() {
+    return new dom.FileReader();
+  }
+}
+
+class _CSSMatrixFactoryProvider {
+
+  factory CSSMatrix([String spec = '']) {
+    return new CSSMatrixWrappingImplementation._wrap(
+        new dom.WebKitCSSMatrix(spec));
+  }
+}
+
+class _PointFactoryProvider {
+
+  factory Point(num x, num y) {
+    return new PointWrappingImplementation._wrap(new dom.WebKitPoint(x, y));
+  }
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Iterator for lists with fixed size.
+class _FixedSizeListIterator<T> extends _VariableSizeListIterator<T> {
+  _FixedSizeListIterator(List<T> list)
+      : super(list),
+        _length = list.length;
+
+  bool hasNext() => _length > _pos;
+
+  final int _length;  // Cache list length for faster access.
+}
+
+// Iterator for lists with variable size.
+class _VariableSizeListIterator<T> implements Iterator<T> {
+  _VariableSizeListIterator(List<T> list)
+      : _list = list,
+        _pos = 0;
+
+  bool hasNext() => _list.length > _pos;
+
+  T next() {
+    if (!hasNext()) {
+      throw const NoMoreElementsException();
+    }
+    return _list[_pos++];
+  }
+
+  final List<T> _list;
+  int _pos;
+}
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// TODO(jacobr): move into a core library or at least merge with the copy
+// in client/dom/src
+class _Lists {
+
+  /**
+   * Returns the index in the array [a] of the given [element], starting
+   * the search at index [startIndex] to [endIndex] (exclusive).
+   * Returns -1 if [element] is not found.
+   */
+  static int indexOf(List a,
+                     Object element,
+                     int startIndex,
+                     int endIndex) {
+    if (startIndex >= a.length) {
+      return -1;
+    }
+    if (startIndex < 0) {
+      startIndex = 0;
+    }
+    for (int i = startIndex; i < endIndex; i++) {
+      if (a[i] == element) {
+        return i;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * Returns the last index in the array [a] of the given [element], starting
+   * the search at index [startIndex] to 0.
+   * Returns -1 if [element] is not found.
+   */
+  static int lastIndexOf(List a, Object element, int startIndex) {
+    if (startIndex < 0) {
+      return -1;
+    }
+    if (startIndex >= a.length) {
+      startIndex = a.length - 1;
+    }
+    for (int i = startIndex; i >= 0; i--) {
+      if (a[i] == element) {
+        return i;
+      }
+    }
+    return -1;
+  }
+}