cc: Measure compositor timing with finer granularity

cc/trees/single_thread_proxy.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_TREES_SINGLE_THREAD_PROXY_H_
 #define CC_TREES_SINGLE_THREAD_PROXY_H_
 
 #include <limits>
 
 #include "base/cancelable_callback.h"
 #include "base/time/time.h"
 #include "cc/animation/animation_events.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/scheduler/scheduler.h"
 #include "cc/trees/blocking_task_runner.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/proxy.h"
-#include "cc/trees/proxy_timing_history.h"
 
 namespace cc {
 
 class BeginFrameSource;
 class ContextProvider;
 class LayerTreeHost;
 class LayerTreeHostSingleThreadClient;
 class ResourceUpdateQueue;
 
 class CC_EXPORT SingleThreadProxy : public Proxy,
@@ skipping 41 matching lines @@
   void ScheduledActionSendBeginMainFrame() override;
   DrawResult ScheduledActionDrawAndSwapIfPossible() override;
   DrawResult ScheduledActionDrawAndSwapForced() override;
   void ScheduledActionCommit() override;
   void ScheduledActionAnimate() 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 BeginFrameArgs& args) override;
   void SendBeginMainFrameNotExpectedSoon() override;
 
   // LayerTreeHostImplClient implementation
   void UpdateRendererCapabilitiesOnImplThread() override;
   void DidLoseOutputSurfaceOnImplThread() override;
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override;
   void SetEstimatedParentDrawTime(base::TimeDelta draw_time) override;
   void SetMaxSwapsPendingOnImplThread(int max) override;
@@ skipping 10 matching lines @@
   void SetVideoNeedsBeginFrames(bool needs_begin_frames) override;
   void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) override;
   bool ReduceContentsTextureMemoryOnImplThread(size_t limit_bytes,
                                                int priority_cutoff) override;
   bool IsInsideDraw() override;
   void RenewTreePriority() override {}
   void PostDelayedAnimationTaskOnImplThread(const base::Closure& task,
                                             base::TimeDelta delay) override {}
   void DidActivateSyncTree() override;
+  void WillPrepareTiles() override;
   void DidPrepareTiles() override;
   void DidCompletePageScaleAnimationOnImplThread() override;
   void OnDrawForOutputSurface() override;
   void PostFrameTimingEventsOnImplThread(
       scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
       scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
       override;
 
   void SetDebugState(const LayerTreeDebugState& debug_state) override {}
 
@@ skipping 27 matching lines @@
   LayerTreeHost* layer_tree_host_;
   LayerTreeHostSingleThreadClient* client_;
 
   // Used on the Thread, but checked on main thread during
   // initialization/shutdown.
   scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
   RendererCapabilities renderer_capabilities_for_main_thread_;
 
   // Accessed from both threads.
   scoped_ptr<Scheduler> scheduler_on_impl_thread_;
-  ProxyTimingHistory timing_history_;
 
   scoped_ptr<BlockingTaskRunner::CapturePostTasks> commit_blocking_task_runner_;
   scoped_ptr<ResourceUpdateQueue> queue_for_commit_;
   bool next_frame_is_newly_committed_frame_;
 
 #if DCHECK_IS_ON()
   bool inside_impl_frame_;
 #endif
   bool inside_draw_;
   bool defer_commits_;
@@ skipping 70 matching lines @@
  private:
   DebugScopedSetImplThread impl_thread_;
   DebugScopedSetMainThreadBlocked main_thread_blocked_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugScopedSetImplThreadAndMainThreadBlocked);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_SINGLE_THREAD_PROXY_H_