Rename Animate as Begin(Main)Frame

cc/test/fake_layer_tree_host_client.h

Index: cc/test/fake_layer_tree_host_client.h
diff --git a/cc/test/fake_layer_tree_host_client.h b/cc/test/fake_layer_tree_host_client.h
index f9284532bab3ab5801fe8656f2b397c1879e3410..802aec92290937baf80e4d4f684071e4321de59e 100644
--- a/cc/test/fake_layer_tree_host_client.h
+++ b/cc/test/fake_layer_tree_host_client.h
@@ -29,7 +29,7 @@ class FakeLayerTreeHostClient : public LayerTreeHostClient,
   // LayerTreeHostClient implementation.
   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
   virtual void DidBeginMainFrame() OVERRIDE {}
-  virtual void Animate(base::TimeTicks frame_begin_time) OVERRIDE {}
+  virtual void BeginMainFrame(const BeginFrameArgs& args) OVERRIDE {}
   virtual void Layout() OVERRIDE {}
   virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
                                    float page_scale) OVERRIDE {}