cc: Use multiple PrepareTiles approaches

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 90 matching lines @@
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval);
   void SetEstimatedParentDrawTime(base::TimeDelta draw_time);
 
   void SetCanStart();
 
   void SetVisible(bool visible);
   void SetCanDraw(bool can_draw);
   void NotifyReadyToActivate();
   void NotifyReadyToDraw();
+  void SetRequiresHighResToDraw(bool required);
   void SetThrottleFrameProduction(bool throttle);
 
   void SetNeedsCommit();
 
   void SetNeedsRedraw();
 
   void SetNeedsAnimate();
 
-  void SetNeedsPrepareTiles();
+  void SetNeedsPrepareTiles(bool for_commit);
 
   void SetWaitForReadyToDraw();
 
   void SetMaxSwapsPending(int max);
   void DidSwapBuffers();
   void DidSwapBuffersComplete();
 
   void SetImplLatencyTakesPriority(bool impl_latency_takes_priority);
 
   void NotifyReadyToCommit();
   void BeginMainFrameAborted(CommitEarlyOutReason reason);
 
-  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 78 matching lines @@
   bool inside_process_scheduled_actions_;
   SchedulerStateMachine::Action inside_action_;
 
  private:
   void ScheduleBeginImplFrameDeadline();
   void ScheduleBeginImplFrameDeadlineIfNeeded();
   void SetupNextBeginFrameIfNeeded();
   void PostBeginRetroFrameIfNeeded();
   void SetupPollingMechanisms();
   void DrawAndSwapIfPossible();
+  void DrawAndSwapForced();
   void ProcessScheduledActions();
   bool CanCommitAndActivateBeforeDeadline() const;
   void AdvanceCommitStateIfPossible();
   bool IsBeginMainFrameSentOrStarted() const;
   void BeginRetroFrame();
   void BeginImplFrameWithDeadline(const BeginFrameArgs& args);
   void BeginImplFrameSynchronous(const BeginFrameArgs& args);
   void BeginImplFrame();
   void FinishImplFrame();
   void OnBeginImplFrameDeadline();
@@ skipping 11 matching lines @@
 
   friend class SchedulerFrameSourcesConstructor;
   friend class TestSchedulerFrameSourcesConstructor;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_