cc: Remove estimated parent draw time from renderer

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 <memory>
 #include <string>
@@ skipping 54 matching lines @@
   ~Scheduler() override;
 
   // BeginFrameObserverBase
   void OnBeginFrameSourcePausedChanged(bool paused) override;
   bool OnBeginFrameDerivedImpl(const BeginFrameArgs& args) override;
 
   void OnDrawForCompositorFrameSink(bool resourceless_software_draw);
 
   const SchedulerSettings& settings() const { return settings_; }
 
-  void SetEstimatedParentDrawTime(base::TimeDelta draw_time);
-
   void SetVisible(bool visible);
   bool visible() { return state_machine_.visible(); }
   void SetCanDraw(bool can_draw);
   void NotifyReadyToActivate();
   void NotifyReadyToDraw();
   void SetBeginFrameSource(BeginFrameSource* source);
 
   void SetNeedsBeginMainFrame();
   // Requests a single impl frame (after the current frame if there is one
   // active).
@@ skipping 67 matching lines @@
   // Not owned.
   SchedulerClient* client_;
   int layer_tree_host_id_;
   base::SingleThreadTaskRunner* task_runner_;
 
   // Not owned.  May be null.
   BeginFrameSource* begin_frame_source_;
   bool observing_begin_frame_source_;
 
   std::unique_ptr<CompositorTimingHistory> compositor_timing_history_;
-  base::TimeDelta estimated_parent_draw_time_;
 
   std::deque<BeginFrameArgs> begin_retro_frame_args_;
   SchedulerStateMachine::BeginImplFrameDeadlineMode
       begin_impl_frame_deadline_mode_;
   BeginFrameTracker begin_impl_frame_tracker_;
   BeginFrameArgs begin_main_frame_args_;
 
   base::Closure begin_retro_frame_closure_;
   base::Closure begin_impl_frame_deadline_closure_;
   base::CancelableClosure begin_retro_frame_task_;
@@ skipping 23 matching lines @@
   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();
 
-  base::TimeDelta EstimatedParentDrawTime() {
-    return estimated_parent_draw_time_;
-  }
-
   bool IsInsideAction(SchedulerStateMachine::Action action) {
     return inside_action_ == action;
   }
 
   base::WeakPtrFactory<Scheduler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_