Fix animationFrameRequest for dartium.

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 35b620a96cd8592cba47601ac87f1f7c541c57eb..5c4350579991556b1fe58816a31921f51e7a3648 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -39464,6 +39464,7 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
     return completer.future;
   }
 
+
   /**
    * Called to draw an animation frame and then request the window to repaint
    * after [callback] has finished (creating the animation).
@@ -39482,9 +39483,53 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
    */
   @DomName('Window.requestAnimationFrame')
   int requestAnimationFrame(FrameRequestCallback callback) {
-    return _requestAnimationFrame(_wrapZone(callback));
+    if (identical(Zone.current, Zone.ROOT)) {
+      return _requestAnimationFrame(callback);
+    }
+    var spec = new AnimationFrameRequestSpecification(this, callback);
+    var task = Zone.current.createTask/*<AnimationFrameTask>*/(
+        _createAnimationFrameTask, spec);
+    AnimationFrameTask._tasks[task.id] = task;
+    return task.id;
   }
 
+  static _AnimationFrameTask _createAnimationFrameTask(
+      AnimationFrameRequestSpecification spec, Zone zone) {
+    var task;
+    var id = spec.window._requestAnimationFrame((num time) {
+      AnimationFrameTask.removeMapping(task.id);
+      zone.runTask(_runAnimationFrame, task, time);
+    });
+    var callback = zone.registerUnaryCallback(spec.callback);
+    task = new _AnimationFrameTask(id, zone, callback);
+    return task;
+  }
+
+  static void _runAnimationFrame(_AnimationFrameTask task, num time) {
+    task._callback(time);
+  }
+
+  /**
+   * Cancels an animation frame request.
+   *
+   * ## Other resources
+   *
+   * * [Window.cancelAnimationFrame](https://developer.mozilla.org/en-US/docs/Web/API/Window.cancelAnimationFrame)
+   *   from MDN.
+   */
+  @DomName('Window.cancelAnimationFrame')
+  void cancelAnimationFrame(int id) {
+    _ensureRequestAnimationFrame();
+    var task = AnimationFrameTask._tasks.remove(id);
+    if (task == null) {
+      // Assume that the animation frame request wasn't intercepted by a zone.
+      _cancelAnimationFrame(id);
+      return;
+    }
+    task.cancel(this);
+  }
+
+
   /**
    * Access a sandboxed file system of the specified `size`. If `persistent` is
    * true, the application will request permission from the user to create
@@ -40251,7 +40296,7 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
 
   @DomName('Window.cancelAnimationFrame')
   @DocsEditable()
-  void cancelAnimationFrame(int handle) => _blink.BlinkWindow.instance.cancelAnimationFrame_Callback_1_(this, handle);
+  void _cancelAnimationFrame(int handle) => _blink.BlinkWindow.instance.cancelAnimationFrame_Callback_1_(this, handle);
   
   @DomName('Window.close')
   @DocsEditable()