Chromium support for window.webkitRequestAnimationFrame()

chrome/renderer/render_widget.h

Index: chrome/renderer/render_widget.h
diff --git a/chrome/renderer/render_widget.h b/chrome/renderer/render_widget.h
index ed99bbd9758823db26a40bb84ee43232d8c5f0a2..1d9391cbe8b68910832c57e725cf4fdccbb76a68 100644
--- a/chrome/renderer/render_widget.h
+++ b/chrome/renderer/render_widget.h
@@ -102,6 +102,7 @@ class RenderWidget : public IPC::Channel::Listener,
   virtual void didScrollRect(int dx, int dy, const WebKit::WebRect& clipRect);
   virtual void didActivateAcceleratedCompositing(bool active);
   virtual void scheduleComposite();
+  virtual void scheduleAnimation();
   virtual void didFocus();
   virtual void didBlur();
   virtual void didChangeCursor(const WebKit::WebCursorInfo&);
@@ -159,6 +160,7 @@ class RenderWidget : public IPC::Channel::Listener,
   void PaintDebugBorder(const gfx::Rect& rect, skia::PlatformCanvas* canvas);
 
   void CallDoDeferredUpdate();
+  void UpdateAnimationsIfNeeded();
   void DoDeferredUpdate();
   void DoDeferredClose();
   void DoDeferredSetWindowRect(const WebKit::WebRect& pos);
@@ -364,6 +366,9 @@ class RenderWidget : public IPC::Channel::Listener,
   // compositor.
   bool is_accelerated_compositing_active_;
 
+  base::Time animation_floor_time_;
+  bool animation_update_pending_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };