cc: Measure compositor timing with finer granularity

components/view_manager/surfaces/surfaces_scheduler.h

 // Copyright 2014 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 COMPONENTS_VIEW_MANAGER_SURFACES_SURFACES_SCHEDULER_H_
 #define COMPONENTS_VIEW_MANAGER_SURFACES_SURFACES_SCHEDULER_H_
 
 #include <set>
 
 #include "cc/scheduler/scheduler.h"
 
 namespace cc {
 class Display;
+class RenderingStatsInstrumentation;
 }
 
 namespace surfaces {
 
 // TODO(brianderson): Reconcile with DisplayScheduler crbug.com/476676
 class SurfacesScheduler : public cc::SchedulerClient {
  public:
   SurfacesScheduler();
   ~SurfacesScheduler() override;
 
@@ skipping 11 matching lines @@
   void ScheduledActionSendBeginMainFrame() override;
   cc::DrawResult ScheduledActionDrawAndSwapIfPossible() override;
   cc::DrawResult ScheduledActionDrawAndSwapForced() override;
   void ScheduledActionAnimate() override;
   void ScheduledActionCommit() override;
   void ScheduledActionActivateSyncTree() override;
   void ScheduledActionBeginOutputSurfaceCreation() override;
   void ScheduledActionPrepareTiles() override;
   void ScheduledActionInvalidateOutputSurface() override;
   void DidAnticipatedDrawTimeChange(base::TimeTicks time) override;
-  base::TimeDelta DrawDurationEstimate() override;
-  base::TimeDelta BeginMainFrameToCommitDurationEstimate() override;
-  base::TimeDelta CommitToActivateDurationEstimate() override;
   void SendBeginFramesToChildren(const cc::BeginFrameArgs& args) override;
   void SendBeginMainFrameNotExpectedSoon() override;
 
   std::set<cc::Display*> displays_;
   scoped_ptr<cc::Scheduler> scheduler_;
-  base::TimeDelta draw_estimate_;
+  scoped_ptr<cc::RenderingStatsInstrumentation>
+      rendering_stats_instrumentation_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfacesScheduler);
 };
 
 }  // namespace surfaces
 
 #endif  // COMPONENTS_VIEW_MANAGER_SURFACES_SURFACES_SCHEDULER_H_