Add enables consistent with Chrome's WebKit

client/dom/generated/src/wrapping/_WorkerContextWrappingImplementation.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 class _WorkerContextWrappingImplementation extends DOMWrapperBase implements WorkerContext {
   _WorkerContextWrappingImplementation() : super() {}
 
   static create__WorkerContextWrappingImplementation() native {
@@ skipping 58 matching lines @@
     return _dispatchEvent(this, evt);
   }
   static bool _dispatchEvent(receiver, evt) native;
 
   void importScripts() {
     _importScripts(this);
     return;
   }
   static void _importScripts(receiver) native;
 
+  Database openDatabase(String name, String version, String displayName, int estimatedSize, [DatabaseCallback creationCallback = null]) {
+    if (creationCallback === null) {
+      return _openDatabase(this, name, version, displayName, estimatedSize);
+    } else {
+      return _openDatabase_2(this, name, version, displayName, estimatedSize, creationCallback);
+    }
+  }
+  static Database _openDatabase(receiver, name, version, displayName, estimatedSize) native;
+  static Database _openDatabase_2(receiver, name, version, displayName, estimatedSize, creationCallback) native;
+
+  DatabaseSync openDatabaseSync(String name, String version, String displayName, int estimatedSize, [DatabaseCallback creationCallback = null]) {
+    if (creationCallback === null) {
+      return _openDatabaseSync(this, name, version, displayName, estimatedSize);
+    } else {
+      return _openDatabaseSync_2(this, name, version, displayName, estimatedSize, creationCallback);
+    }
+  }
+  static DatabaseSync _openDatabaseSync(receiver, name, version, displayName, estimatedSize) native;
+  static DatabaseSync _openDatabaseSync_2(receiver, name, version, displayName, estimatedSize, creationCallback) native;
+
   void removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
     if (useCapture === null) {
       _removeEventListener(this, type, listener);
       return;
     } else {
       _removeEventListener_2(this, type, listener, useCapture);
       return;
     }
   }
   static void _removeEventListener(receiver, type, listener) native;
@@ skipping 56 matching lines @@
       }
     }
     throw "Incorrect number or type of arguments";
   }
   static void _webkitResolveLocalFileSystemURL(receiver, url) native;
   static void _webkitResolveLocalFileSystemURL_2(receiver, url, successCallback) native;
   static void _webkitResolveLocalFileSystemURL_3(receiver, url, successCallback, errorCallback) native;
 
   String get typeName() { return "WorkerContext"; }
 }