cc: Implement deadine scheduling disabled by default

cc/trees/thread_proxy.h

Index: cc/trees/thread_proxy.h
diff --git a/cc/trees/thread_proxy.h b/cc/trees/thread_proxy.h
index 5518edebbc4ceeda290350d0dec7b719a19fe373..cbfec9065fa1b61f87b7984fec189225aec37a51 100644
--- a/cc/trees/thread_proxy.h
+++ b/cc/trees/thread_proxy.h
@@ -70,6 +70,7 @@ class ThreadProxy : public Proxy,
   virtual void DidLoseOutputSurfaceOnImplThread() OVERRIDE;
   virtual void OnSwapBuffersCompleteOnImplThread() OVERRIDE;
   virtual void BeginFrameOnImplThread(const BeginFrameArgs& args) OVERRIDE;
+  virtual void DidBeginFrameDeadlineOnImplThread() OVERRIDE;
   virtual void OnCanDrawStateChanged(bool can_draw) OVERRIDE;
   virtual void NotifyReadyToActivate() OVERRIDE;
   virtual void SetNeedsRedrawOnImplThread() OVERRIDE;
@@ -108,6 +109,8 @@ class ThreadProxy : public Proxy,
   virtual base::TimeDelta DrawDurationEstimate() OVERRIDE;
   virtual base::TimeDelta BeginFrameToCommitDurationEstimate() OVERRIDE;
   virtual base::TimeDelta CommitToActivateDurationEstimate() OVERRIDE;
+  virtual void PostBeginFrameDeadline(const base::Closure& closure,
+                                      base::TimeTicks deadline) OVERRIDE;
 
   // ResourceUpdateControllerClient implementation
   virtual void ReadyToFinalizeTextureUpdates() OVERRIDE;
@@ -223,6 +226,7 @@ class ThreadProxy : public Proxy,
   scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
 
   scoped_ptr<Scheduler> scheduler_on_impl_thread_;
+  bool frame_did_draw_;
 
   // Set when the main thread is waiting on a
   // ScheduledActionSendBeginFrameToMainThread to be issued.