cc: Move scheduling logic out of OutputSurface

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index afc4139b75274bcf9fdddee54a3d4bc27b391f16..c5adfae36005f6a3b671f5538036e5f2fdd2c002 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -64,6 +64,9 @@ class LayerTreeHostImplClient {
  public:
   virtual void UpdateRendererCapabilitiesOnImplThread() = 0;
   virtual void DidLoseOutputSurfaceOnImplThread() = 0;
+  virtual void CommitVSyncParameters(base::TimeTicks timebase,
+                                     base::TimeDelta interval) = 0;
+  virtual void SetEstimatedParentDrawTime(base::TimeDelta draw_time) = 0;
   virtual void SetMaxSwapsPending(int max) = 0;
   virtual void DidSwapBuffersOnImplThread() = 0;
   virtual void DidSwapBuffersCompleteOnImplThread() = 0;
@@ -226,6 +229,8 @@ class CC_EXPORT LayerTreeHostImpl
   virtual bool DeferredInitialize(
       scoped_refptr<ContextProvider> offscreen_context_provider) OVERRIDE;
   virtual void ReleaseGL() OVERRIDE;
+  virtual void CommitVSyncParameters(base::TimeTicks timebase,
+                                     base::TimeDelta interval) OVERRIDE;
   virtual void SetNeedsRedrawRect(const gfx::Rect& rect) OVERRIDE;
   virtual void BeginFrame(const BeginFrameArgs& args) OVERRIDE;
   virtual void SetExternalDrawConstraints(