sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index 0dec810aca4c80984e2a627074e74f5414f7a73e..66a070bce03980bd8d991c2ffd2d328692514cdb 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -111,7 +111,7 @@ abstract class _EntryArray implements List<Entry> native "EntryArray" {}
 
 @DocsEditable()
 @DomName('AbstractWorker')
-class AbstractWorker extends Interceptor implements EventTarget native "AbstractWorker" {
+abstract class AbstractWorker extends Interceptor implements EventTarget native "AbstractWorker" {
   // To suppress missing implicit constructor warnings.
   factory AbstractWorker._() { throw new UnsupportedError("Not supported"); }
 
@@ -266,6 +266,12 @@ class AnchorElement extends HtmlElement implements UrlUtils native "HTMLAnchorEl
   @DocsEditable()
   String href;
 
+  @DomName('HTMLAnchorElement.origin')
+  @DocsEditable()
+  // WebKit only
+  @Experimental() // non-standard
+  final String origin;
+
   @DomName('HTMLAnchorElement.password')
   @DocsEditable()
   @Experimental() // untriaged
@@ -2038,7 +2044,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext native "CanvasRend
       return JS('List<num>', '#.getLineDash()', this);
     } else if (JS('bool', '!!#.webkitLineDash', this)) {
       return JS('List<num>', '#.webkitLineDash', this);
-    } 
+    }
   }
 
   @SupportedBrowser(SupportedBrowser.CHROME)
@@ -2865,7 +2871,7 @@ class CssRule extends Interceptor native "CSSRule" {
 
 
 @DomName('CSSStyleDeclaration')
- class CssStyleDeclaration  extends Interceptor with 
+ class CssStyleDeclaration  extends Interceptor with
     CssStyleDeclarationBase  native "CSSStyleDeclaration,MSStyleCSSProperties,CSS2Properties" {
   factory CssStyleDeclaration() => new CssStyleDeclaration.css('');
 
@@ -2874,7 +2880,7 @@ class CssRule extends Interceptor native "CSSRule" {
     style.cssText = css;
     return style;
   }
-  
+
   String getPropertyValue(String propertyName) {
     var propValue = _getPropertyValue(propertyName);
     return propValue != null ? propValue : '';
@@ -2894,7 +2900,7 @@ class CssRule extends Interceptor native "CSSRule" {
       }
     } catch (e) {}
   }
-  
+
   /**
    * Checks to see if CSS Transitions are supported.
    */
@@ -2974,7 +2980,7 @@ class _CssStyleDeclarationSet extends Object with CssStyleDeclarationBase {
 }
 
 abstract class CssStyleDeclarationBase {
-  String getPropertyValue(String propertyName);  
+  String getPropertyValue(String propertyName);
   void setProperty(String propertyName, String value, [String priority]);
 
   // TODO(jacobr): generate this list of properties using the existing script.
@@ -3834,8 +3840,8 @@ abstract class CssStyleDeclarationBase {
   }
 
   /** Gets the value of "box-sizing" */
-  String get boxSizing => Device.isFirefox ? 
-      getPropertyValue('${Device.cssPrefix}box-sizing') : 
+  String get boxSizing => Device.isFirefox ?
+      getPropertyValue('${Device.cssPrefix}box-sizing') :
       getPropertyValue('box-sizing');
 
   /** Sets the value of "box-sizing" */
@@ -7843,16 +7849,19 @@ class DocumentFragment extends Node implements ParentNode native "DocumentFragme
         validator: validator, treeSanitizer: treeSanitizer);
   }
 
+  HtmlCollection get _children => throw new UnimplementedError(
+      'Use _docChildren instead');
+
   // Native field is used only by Dart code so does not lead to instantiation
   // of native classes
   @Creates('Null')
-  List<Element> _children;
+  List<Element> _docChildren;
 
   List<Element> get children {
-    if (_children == null) {
-      _children = new FilteredElementList(this);
+    if (_docChildren == null) {
+      _docChildren = new FilteredElementList(this);
     }
-    return _children;
+    return _docChildren;
   }
 
   void set children(List<Element> value) {
@@ -7914,7 +7923,7 @@ class DocumentFragment extends Node implements ParentNode native "DocumentFragme
     this.append(new DocumentFragment.html(text));
   }
 
-  /** 
+  /**
    * Alias for [querySelector]. Note this function is deprecated because its
    * semantics will be changing in the future.
    */
@@ -7925,7 +7934,7 @@ class DocumentFragment extends Node implements ParentNode native "DocumentFragme
     return querySelector(relativeSelectors);
   }
 
-  /** 
+  /**
    * Alias for [querySelectorAll]. Note this function is deprecated because its
    * semantics will be changing in the future.
    */
@@ -7985,21 +7994,6 @@ class DocumentFragment extends Node implements ParentNode native "DocumentFragme
 
 
 @DocsEditable()
-@DomName('DocumentType')
-// http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-412266927
-@deprecated // stable
-class DocumentType extends Node implements ChildNode native "DocumentType" {
-  // To suppress missing implicit constructor warnings.
-  factory DocumentType._() { throw new UnsupportedError("Not supported"); }
-
-  // From ChildNode
-}
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-
-@DocsEditable()
 @DomName('DOMError')
 class DomError extends Interceptor native "DOMError" {
   // To suppress missing implicit constructor warnings.
@@ -8086,11 +8080,11 @@ class DomImplementation extends Interceptor native "DOMImplementation" {
 
   @DomName('DOMImplementation.createDocument')
   @DocsEditable()
-  Document createDocument(String namespaceURI, String qualifiedName, DocumentType doctype) native;
+  Document createDocument(String namespaceURI, String qualifiedName, _DocumentType doctype) native;
 
   @DomName('DOMImplementation.createDocumentType')
   @DocsEditable()
-  DocumentType createDocumentType(String qualifiedName, String publicId, String systemId) native;
+  _DocumentType createDocumentType(String qualifiedName, String publicId, String systemId) native;
 
   @JSName('createHTMLDocument')
   @DomName('DOMImplementation.createHTMLDocument')
@@ -10901,19 +10895,6 @@ abstract class Element extends Node implements GlobalEventHandlers, ParentNode,
   @DocsEditable()
   bool hidden;
 
-  /**
-   * The current state of IME composition.
-   *
-   * ## Other resources
-   *
-   * * [Input method editor specification]
-   * (http://www.w3.org/TR/ime-api/) from W3C.
-   */
-  @DomName('Element.inputMethodContext')
-  @DocsEditable()
-  @Experimental() // untriaged
-  final InputMethodContext inputMethodContext;
-
   @DomName('Element.isContentEditable')
   @DocsEditable()
   final bool isContentEditable;
@@ -12084,7 +12065,7 @@ class Event extends Interceptor native "Event" {
     e._initEvent(name, canBubble, cancelable);
     return e;
   }
-  
+
   /** The CSS selector involved with event delegation. */
   String _selector;
 
@@ -12402,18 +12383,18 @@ class ElementEvents extends Events {
   /* Raw event target. */
   final Element _ptr;
   static final webkitEvents = {
-    'animationend' : 'webkitAnimationEnd', 
-    'animationiteration' : 'webkitAnimationIteration', 
-    'animationstart' : 'webkitAnimationStart', 
-    'fullscreenchange' : 'webkitfullscreenchange', 
+    'animationend' : 'webkitAnimationEnd',
+    'animationiteration' : 'webkitAnimationIteration',
+    'animationstart' : 'webkitAnimationStart',
+    'fullscreenchange' : 'webkitfullscreenchange',
     'fullscreenerror' : 'webkitfullscreenerror',
-    'keyadded' : 'webkitkeyadded', 
-    'keyerror' : 'webkitkeyerror', 
-    'keymessage' : 'webkitkeymessage', 
-    'needkey' : 'webkitneedkey', 
-    'pointerlockchange' : 'webkitpointerlockchange', 
-    'pointerlockerror' : 'webkitpointerlockerror', 
-    'resourcetimingbufferfull' : 'webkitresourcetimingbufferfull', 
+    'keyadded' : 'webkitkeyadded',
+    'keyerror' : 'webkitkeyerror',
+    'keymessage' : 'webkitkeymessage',
+    'needkey' : 'webkitneedkey',
+    'pointerlockchange' : 'webkitpointerlockchange',
+    'pointerlockerror' : 'webkitpointerlockerror',
+    'resourcetimingbufferfull' : 'webkitresourcetimingbufferfull',
     'transitionend': 'webkitTransitionEnd',
     'speechchange' : 'webkitSpeechChange'
   };
@@ -14512,10 +14493,6 @@ class HtmlDocument extends Document native "HTMLDocument" {
 class HtmlFormControlsCollection extends HtmlCollection native "HTMLFormControlsCollection" {
   // To suppress missing implicit constructor warnings.
   factory HtmlFormControlsCollection._() { throw new UnsupportedError("Not supported"); }
-
-  @DomName('HTMLFormControlsCollection.__getter__')
-  @DocsEditable()
-  Node __getter__(int index) native;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -16537,15 +16514,15 @@ class KeyPair extends Interceptor native "KeyPair" {
 @DomName('KeyboardEvent')
 class KeyboardEvent extends UIEvent native "KeyboardEvent" {
 
-  /** 
-   * Programmatically create a KeyboardEvent. 
+  /**
+   * Programmatically create a KeyboardEvent.
    *
    * Due to browser differences, keyCode, charCode, or keyIdentifier values
    * cannot be specified in this base level constructor. This constructor
    * enables the user to programmatically create and dispatch a [KeyboardEvent],
    * but it will not contain any particular key content. For programmatically
    * creating keyboard events with specific key value contents, see the custom
-   * Event [KeyEvent]. 
+   * Event [KeyEvent].
    */
   factory KeyboardEvent(String type,
       {Window view, bool canBubble: true, bool cancelable: true,
@@ -26472,10 +26449,10 @@ class Url extends Interceptor implements UrlUtils native "URL" {
 
   static String createObjectUrlFromSource(MediaSource source) =>
       JS('String', '(self.URL || self.webkitURL).createObjectURL(#)', source);
-  
+
   static String createObjectUrlFromStream(MediaStream stream) =>
       JS('String', '(self.URL || self.webkitURL).createObjectURL(#)', stream);
-  
+
   static String createObjectUrlFromBlob(Blob blob) =>
       JS('String', '(self.URL || self.webkitURL).createObjectURL(#)', blob);
 
@@ -29226,6 +29203,15 @@ class _BeforeUnloadEventStreamProvider implements
   String getEventType(EventTarget target) {
     return _eventType;
   }
+
+  ElementStream<BeforeUnloadEvent> forElement(Element e, {bool useCapture: false}) {
+    return new _ElementEventStreamImpl(e, _eventType, useCapture);
+  }
+
+  ElementStream<BeforeUnloadEvent> _forElementList(ElementList e,
+      {bool useCapture: false}) {
+    return new _ElementListEventStreamImpl(e, _eventType, useCapture);
+  }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -29255,11 +29241,6 @@ abstract class WindowEventHandlers extends EventTarget {
   // To suppress missing implicit constructor warnings.
   factory WindowEventHandlers._() { throw new UnsupportedError("Not supported"); }
 
-  @DomName('WindowEventHandlers.beforeunloadEvent')
-  @DocsEditable()
-  @Experimental() // untriaged
-  static const EventStreamProvider<Event> beforeUnloadEvent = const EventStreamProvider<Event>('beforeunload');
-
   @DomName('WindowEventHandlers.hashchangeEvent')
   @DocsEditable()
   @Experimental() // untriaged
@@ -29300,11 +29281,6 @@ abstract class WindowEventHandlers extends EventTarget {
   @Experimental() // untriaged
   static const EventStreamProvider<Event> unloadEvent = const EventStreamProvider<Event>('unload');
 
-  @DomName('WindowEventHandlers.onbeforeunload')
-  @DocsEditable()
-  @Experimental() // untriaged
-  Stream<Event> get onBeforeUnload => beforeUnloadEvent.forTarget(this);
-
   @DomName('WindowEventHandlers.onhashchange')
   @DocsEditable()
   @Experimental() // untriaged
@@ -30383,6 +30359,21 @@ abstract class _DirectoryReaderSync extends Interceptor native "DirectoryReaderS
 
 
 @DocsEditable()
+@DomName('DocumentType')
+// http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-412266927
+@deprecated // stable
+abstract class _DocumentType extends Node implements ChildNode native "DocumentType" {
+  // To suppress missing implicit constructor warnings.
+  factory _DocumentType._() { throw new UnsupportedError("Not supported"); }
+
+  // From ChildNode
+}
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+
+@DocsEditable()
 @DomName('WebKitPoint')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.SAFARI)
@@ -31632,7 +31623,7 @@ abstract class CanvasImageSource {}
  * * [DOM Window](https://developer.mozilla.org/en-US/docs/DOM/window) from MDN.
  * * [Window](http://www.w3.org/TR/Window/) from the W3C.
  */
-abstract class WindowBase implements EventTarget {
+abstract class WindowBase {
   // Fields.
 
   /**
@@ -32705,6 +32696,9 @@ class _CustomEventStreamProvider<T extends Event>
   String getEventType(EventTarget target) {
     return _eventTypeGetter(target);
   }
+
+  String get _eventType =>
+      throw new UnsupportedError('Access type through getEventType method.');
 }
 // DO NOT EDIT- this file is generated from running tool/generator.sh.
 
@@ -34939,6 +34933,10 @@ abstract class ReadyState {
  */
 class _WrappedEvent implements Event {
   final Event wrapped;
+
+  /** The CSS selector involved with event delegation. */
+  String _selector;
+
   _WrappedEvent(this.wrapped);
 
   bool get bubbles => wrapped.bubbles;
@@ -34976,6 +34974,43 @@ class _WrappedEvent implements Event {
   void stopPropagation() {
     wrapped.stopPropagation();
   }
+
+  /**
+   * A pointer to the element whose CSS selector matched within which an event
+   * was fired. If this Event was not associated with any Event delegation,
+   * accessing this value will throw an [UnsupportedError].
+   */
+  Element get matchingTarget {
+    if (_selector == null) {
+      throw new UnsupportedError('Cannot call matchingTarget if this Event did'
+          ' not arise as a result of event delegation.');
+    }
+    var currentTarget = this.currentTarget;
+    var target = this.target;
+    var matchedTarget;
+    do {
+      if (target.matches(_selector)) return target;
+      target = target.parent;
+    } while (target != null && target != currentTarget.parent);
+    throw new StateError('No selector matched for populating matchedTarget.');
+  }
+
+  /**
+   * This event's path, taking into account shadow DOM.
+   *
+   * ## Other resources
+   *
+   * * [Shadow DOM extensions to Event]
+   * (http://w3c.github.io/webcomponents/spec/shadow/#extensions-to-event) from
+   * W3C.
+   */
+  // https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#extensions-to-event
+  @Experimental()
+  List<Node> get path => wrapped.path;
+
+  dynamic get _get_currentTarget => wrapped._get_currentTarget;
+
+  dynamic get _get_target => wrapped._get_target;
 }
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -35093,7 +35128,7 @@ class FixedSizeListIterator<T> implements Iterator<T> {
   final int _length;  // Cache array length for faster access.
   int _position;
   T _current;
-  
+
   FixedSizeListIterator(List<T> array)
       : _array = array,
         _position = -1,
@@ -35629,6 +35664,17 @@ class KeyEvent extends _WrappedEvent implements KeyboardEvent {
     throw new UnsupportedError(
         "Cannot initialize a KeyboardEvent from a KeyEvent.");
   }
+  int get _layerX => throw new UnsupportedError('Not applicable to KeyEvent');
+  int get _layerY => throw new UnsupportedError('Not applicable to KeyEvent');
+  int get _pageX => throw new UnsupportedError('Not applicable to KeyEvent');
+  int get _pageY => throw new UnsupportedError('Not applicable to KeyEvent');
+  @Experimental() // untriaged
+  bool getModifierState(String keyArgument) => throw new UnimplementedError();
+  @Experimental() // untriaged
+  int get location => throw new UnimplementedError();
+  @Experimental() // untriaged
+  bool get repeat => throw new UnimplementedError();
+  dynamic get _get_view => throw new UnimplementedError();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a