Revert of cc: Adding DidFinishImplFrame to LTHI.

cc/test/layer_tree_test.h

Index: cc/test/layer_tree_test.h
diff --git a/cc/test/layer_tree_test.h b/cc/test/layer_tree_test.h
index 7b48f3f15917d359c593bf0a236a5ce2a3ff6a18..15ec2151b83c57480f241ce3d2189946ad998f83 100644
--- a/cc/test/layer_tree_test.h
+++ b/cc/test/layer_tree_test.h
@@ -39,7 +39,6 @@
       scoped_ptr<ResourcePool>* staging_resource_pool);
   virtual void WillBeginImplFrameOnThread(LayerTreeHostImpl* host_impl,
                                           const BeginFrameArgs& args) {}
-  virtual void DidFinishImplFrameOnThread(LayerTreeHostImpl* host_impl) {}
   virtual void BeginMainFrameAbortedOnThread(LayerTreeHostImpl* host_impl,
                                              CommitEarlyOutReason reason) {}
   virtual void BeginCommitOnThread(LayerTreeHostImpl* host_impl) {}
@@ -88,8 +87,10 @@
   virtual void DidSetVisibleOnImplTree(LayerTreeHostImpl* host_impl,
                                        bool visible) {}
   virtual void ScheduleComposite() {}
+  virtual void SendBeginFramesToChildren(const BeginFrameArgs& args) {}
 
   // Hooks for SchedulerClient.
+  virtual void WillBeginImplFrame(const BeginFrameArgs& args) {}
   virtual void ScheduledActionWillSendBeginMainFrame() {}
   virtual void ScheduledActionSendBeginMainFrame() {}
   virtual void ScheduledActionDrawAndSwapIfPossible() {}
@@ -98,8 +99,6 @@
   virtual void ScheduledActionBeginOutputSurfaceCreation() {}
   virtual void ScheduledActionPrepareTiles() {}
   virtual void ScheduledActionInvalidateOutputSurface() {}
-  virtual void SendBeginFramesToChildren(const BeginFrameArgs& args) {}
-  virtual void SendBeginMainFrameNotExpectedSoon() {}
 
   // Implementation of AnimationDelegate:
   void NotifyAnimationStarted(base::TimeTicks monotonic_time,