cc: Measure compositor timing with finer granularity

cc/scheduler/scheduler.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_SCHEDULER_SCHEDULER_H_
 #define CC_SCHEDULER_SCHEDULER_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 83 matching lines @@
   void SetWaitForReadyToDraw();
 
   void SetMaxSwapsPending(int max);
   void DidSwapBuffers();
   void DidSwapBuffersComplete();
 
   void SetImplLatencyTakesPriority(bool impl_latency_takes_priority);
 
   void NotifyReadyToCommit();
   void BeginMainFrameAborted(CommitEarlyOutReason reason);
+  void DidCommit();
 
+  void WillPrepareTiles();
   void DidPrepareTiles();
   void DidLoseOutputSurface();
   void DidCreateAndInitializeOutputSurface();
 
   // Tests do not want to shut down until all possible BeginMainFrames have
   // occured to prevent flakiness.
   bool MainFrameForTestingWillHappen() const {
     return state_machine_.CommitPending() ||
            state_machine_.CouldSendBeginMainFrame();
   }
@@ skipping 76 matching lines @@
   SchedulerStateMachine::Action inside_action_;
 
  private:
   void ScheduleBeginImplFrameDeadline();
   void ScheduleBeginImplFrameDeadlineIfNeeded();
   void SetupNextBeginFrameIfNeeded();
   void PostBeginRetroFrameIfNeeded();
   void DrawAndSwapIfPossible();
   void DrawAndSwapForced();
   void ProcessScheduledActions();
+  void UpdateCompositorTimingHistoryRecordingEnabled();
   bool CanCommitAndActivateBeforeDeadline() const;
   void AdvanceCommitStateIfPossible();
   bool IsBeginMainFrameSentOrStarted() const;
   void BeginRetroFrame();
   void BeginImplFrameWithDeadline(const BeginFrameArgs& args);
   void BeginImplFrameSynchronous(const BeginFrameArgs& args);
   void BeginImplFrame(const BeginFrameArgs& args);
   void FinishImplFrame();
   void OnBeginImplFrameDeadline();
   void PollToAdvanceCommitState();
@@ skipping 15 matching lines @@
   }
 
   base::WeakPtrFactory<Scheduler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_