Revert of cc: Adding DidFinishImplFrame to LTHI.

cc/scheduler/scheduler_unittest.cc

Index: cc/scheduler/scheduler_unittest.cc
diff --git a/cc/scheduler/scheduler_unittest.cc b/cc/scheduler/scheduler_unittest.cc
index 2f878fdcdbfa9a22a3d101934c3200fb3c30b96d..d17f0ba87c4aa4e583c18564563fab1142b55e2f 100644
--- a/cc/scheduler/scheduler_unittest.cc
+++ b/cc/scheduler/scheduler_unittest.cc
@@ -105,8 +105,6 @@
   void WillBeginImplFrame(const BeginFrameArgs& args) override {
     PushAction("WillBeginImplFrame");
   }
-  void DidFinishImplFrame() override {}
-
   void ScheduledActionSendBeginMainFrame() override {
     PushAction("ScheduledActionSendBeginMainFrame");
   }
@@ -157,6 +155,8 @@
   base::TimeDelta CommitToActivateDurationEstimate() override {
     return base::TimeDelta();
   }
+
+  void DidBeginImplFrameDeadline() override {}
 
   void SendBeginFramesToChildren(const BeginFrameArgs& args) override {
     begin_frame_args_sent_to_children_ = args;