cc: Make separate interface for BeginFrame ipc from OutputSurface

content/renderer/gpu/compositor_output_surface.h

Index: content/renderer/gpu/compositor_output_surface.h
diff --git a/content/renderer/gpu/compositor_output_surface.h b/content/renderer/gpu/compositor_output_surface.h
index 51cc3171b87ecb260617ea58fba36ea822e4fe96..8cb296371d10615822b9a1e2f836d50938f47808 100644
--- a/content/renderer/gpu/compositor_output_surface.h
+++ b/content/renderer/gpu/compositor_output_surface.h
@@ -58,9 +58,6 @@ class CompositorOutputSurface
   // cc::OutputSurface implementation.
   virtual bool BindToClient(cc::OutputSurfaceClient* client) override;
   virtual void SwapBuffers(cc::CompositorFrame* frame) override;
-#if defined(OS_ANDROID)
-  virtual void SetNeedsBeginFrame(bool enable) override;
-#endif
 
   // TODO(epenner): This seems out of place here and would be a better fit
   // int CompositorThread after it is fully refactored (http://crbug/170828)
@@ -100,9 +97,6 @@ class CompositorOutputSurface
   void OnMessageReceived(const IPC::Message& message);
   void OnUpdateVSyncParametersFromBrowser(base::TimeTicks timebase,
                                           base::TimeDelta interval);
-#if defined(OS_ANDROID)
-  void OnBeginFrame(const cc::BeginFrameArgs& args);
-#endif
   bool Send(IPC::Message* message);
 
   bool use_swap_compositor_frame_message_;