Fixes for Blink roll.

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
 interface AudioContext {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, AudioBufferCallback errorCallback);
 };
 
@@ skipping 22 matching lines @@
   [Suppressed] DOMObject getCSSCanvasContext(DOMString contextId, DOMString name, long width, long height);
   CanvasRenderingContext getCSSCanvasContext(DOMString contextId, DOMString name, long width, long height);
 };
 
 [Supplemental]
 interface ScriptProcessorNode {
   [Suppressed] attribute EventListener onaudioprocess;
   [Custom] void _setEventListener(EventListener eventListener);
 };
 
+/*
+// TODO(vsm): How should this interact with the new ChildNode and
+// ParentNode interfaces?
 // Force ElementTraversal. WebKit defines these directly.
-interface ElementTraversal {
+interface ElementTraversal : ChildNode, ParentNode {
   readonly attribute unsigned long childElementCount;
   readonly attribute Element firstElementChild;
   readonly attribute Element lastElementChild;
   readonly attribute Element nextElementSibling;
   readonly attribute Element previousElementSibling;
 };
 Element implements ElementTraversal;
+*/
 
 [Callback]
 interface TimeoutHandler {
   void handleEvent();
 };
 
 [Supplemental]
 interface CanvasRenderingContext2D {
   [DartName=createImageDataFromImageData] ImageData createImageData(ImageData imagedata);
 };
@@ skipping 152 matching lines @@
 [Supplemental,
   CustomConstructor,
   Constructor(Array blobParts, optional DOMString type, optional DOMString endings)
   ]
 interface Blob {
 };
 
 [Supplemental,
   Constructor(float x, float y)
 ]
-interface DOMPoint {
+interface WebKitPoint {
 };
 
 [Supplemental, Callback] // Add missing Callback attribute.
 interface VoidCallback {
 };
 
 interface SVGNumber {
   [StrictTypeChecking, Custom] attribute float value;
 };
 
@@ skipping 82 matching lines @@
 
   // URI decomposition attributes
   [CustomSetter] attribute DOMString protocol;
   [CustomSetter] attribute DOMString host;
   [CustomSetter] attribute DOMString hostname;
   [CustomSetter] attribute DOMString port;
   [CustomSetter] attribute DOMString pathname;
   [CustomSetter] attribute DOMString search;
   [CustomSetter] attribute DOMString hash;
 };
+
+
+[Supplemental]
+interface Window : EventTarget {};