Making OutputSurface a begin frame source and vsync source.

cc/test/fake_layer_tree_host_impl_client.h

Index: cc/test/fake_layer_tree_host_impl_client.h
diff --git a/cc/test/fake_layer_tree_host_impl_client.h b/cc/test/fake_layer_tree_host_impl_client.h
index ec86f7b6f2c06db4b527635c0ac6e43eb23e83bf..652d9fa0397b756ba36778bf2d1a9232b53a2403 100644
--- a/cc/test/fake_layer_tree_host_impl_client.h
+++ b/cc/test/fake_layer_tree_host_impl_client.h
@@ -15,8 +15,6 @@ class FakeLayerTreeHostImplClient : public LayerTreeHostImplClient {
   // LayerTreeHostImplClient implementation.
   virtual void UpdateRendererCapabilitiesOnImplThread() OVERRIDE {}
   virtual void DidLoseOutputSurfaceOnImplThread() OVERRIDE {}
-  virtual void CommitVSyncParameters(base::TimeTicks timebase,
-                                     base::TimeDelta interval) OVERRIDE {}
   virtual void SetEstimatedParentDrawTime(base::TimeDelta draw_time) OVERRIDE {}
   virtual void SetMaxSwapsPendingOnImplThread(int max) OVERRIDE {}
   virtual void DidSwapBuffersOnImplThread() OVERRIDE {}