Revert of Make SingleThreadProxy a SchedulerClient

content/renderer/gpu/render_widget_compositor.h

Index: content/renderer/gpu/render_widget_compositor.h
diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h
index adcc73d5d4d70d832f9a938114eaaae8ab5b2560..4160df2de20f5c820d488c05a8106cb794190cc9 100644
--- a/content/renderer/gpu/render_widget_compositor.h
+++ b/content/renderer/gpu/render_widget_compositor.h
@@ -46,6 +46,7 @@
   const base::WeakPtr<cc::InputHandler>& GetInputHandler();
   void SetSuppressScheduleComposite(bool suppress);
   bool BeginMainFrameRequested() const;
+  void UpdateAnimations(base::TimeTicks time);
   void SetNeedsDisplayOnAllLayers();
   void SetRasterizeOnlyVisibleContent();
   void UpdateTopControlsState(cc::TopControlsState constraints,
@@ -137,6 +138,8 @@
   virtual void RateLimitSharedMainThreadContext() OVERRIDE;
 
   // cc::LayerTreeHostSingleThreadClient implementation.
+  virtual void ScheduleComposite() OVERRIDE;
+  virtual void ScheduleAnimation() OVERRIDE;
   virtual void DidPostSwapBuffers() OVERRIDE;
   virtual void DidAbortSwapBuffers() OVERRIDE;
 
@@ -146,6 +149,7 @@
   void Initialize(cc::LayerTreeSettings settings);
 
   bool threaded_;
+  bool suppress_schedule_composite_;
   RenderWidget* widget_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 };