Regenerate the new HTML stuff.

client/html/generated/html/frog/Document.dart

 // 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.
 
 class _DocumentImpl extends _ElementImpl
     implements Document
     native "*HTMLHtmlElement" {
 
   _ElementImpl get activeElement() native "return this.parentNode.activeElement;";
 
@@ skipping 61 matching lines @@
   _TextImpl _createTextNode(String data) native "return this.parentNode.createTextNode(data);";
 
   _TouchImpl createTouch(_WindowImpl window, _EventTargetImpl target, int identifier, int pageX, int pageY, int screenX, int screenY, int webkitRadiusX, int webkitRadiusY, num webkitRotationAngle, num webkitForce) native "return this.parentNode.createTouch(window, target, identifier, pageX, pageY, screenX, screenY, webkitRadiusX, webkitRadiusY, webkitRotationAngle, webkitForce);";
 
   _TouchListImpl _createTouchList() native "return this.parentNode.createTouchList();";
 
   _ElementImpl elementFromPoint(int x, int y) native "return this.parentNode.elementFromPoint(x, y);";
 
   bool execCommand(String command, bool userInterface, String value) native "return this.parentNode.execCommand(command, userInterface, value);";
 
-  Object getCSSCanvasContext(String contextId, String name, int width, int height) native "return this.parentNode.getCSSCanvasContext(contextId, name, width, height);";
+  _CanvasRenderingContextImpl getCSSCanvasContext(String contextId, String name, int width, int height) native "return this.parentNode.getCSSCanvasContext(contextId, name, width, height);";
 
   bool queryCommandEnabled(String command) native "return this.parentNode.queryCommandEnabled(command);";
 
   bool queryCommandIndeterm(String command) native "return this.parentNode.queryCommandIndeterm(command);";
 
   bool queryCommandState(String command) native "return this.parentNode.queryCommandState(command);";
 
   bool queryCommandSupported(String command) native "return this.parentNode.queryCommandSupported(command);";
 
   String queryCommandValue(String command) native "return this.parentNode.queryCommandValue(command);";
@@ skipping 119 matching lines @@
   EventListenerList get submit() => _get('submit');
 
   EventListenerList get touchCancel() => _get('touchcancel');
 
   EventListenerList get touchEnd() => _get('touchend');
 
   EventListenerList get touchMove() => _get('touchmove');
 
   EventListenerList get touchStart() => _get('touchstart');
 }