gfx: Add FrameTime and DisplayTime classes

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 <string>
 
 #include "base/basictypes.h"
@@ skipping 26 matching lines @@
   virtual void ScheduledActionSendBeginMainFrame() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndSwapIfPossible() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndSwapForced() = 0;
   virtual DrawSwapReadbackResult ScheduledActionDrawAndReadback() = 0;
   virtual void ScheduledActionCommit() = 0;
   virtual void ScheduledActionUpdateVisibleTiles() = 0;
   virtual void ScheduledActionActivatePendingTree() = 0;
   virtual void ScheduledActionBeginOutputSurfaceCreation() = 0;
   virtual void ScheduledActionAcquireLayerTexturesForMainThread() = 0;
   virtual void ScheduledActionManageTiles() = 0;
-  virtual void DidAnticipatedDrawTimeChange(base::TimeTicks time) = 0;
+  virtual void DidAnticipatedDrawTimeChange(gfx::FrameTime time) = 0;
   virtual base::TimeDelta DrawDurationEstimate() = 0;
   virtual base::TimeDelta BeginMainFrameToCommitDurationEstimate() = 0;
   virtual base::TimeDelta CommitToActivateDurationEstimate() = 0;
-  virtual void PostBeginImplFrameDeadline(const base::Closure& closure,
-                                          base::TimeTicks deadline) = 0;
+  virtual void PostBeginImplFrameDeadline(
+      const base::Closure& closure,
+      gfx::FrameTime deadline) = 0;
   virtual void DidBeginImplFrameDeadline() = 0;
 
  protected:
   virtual ~SchedulerClient() {}
 };
 
 class CC_EXPORT Scheduler {
  public:
   static scoped_ptr<Scheduler> Create(
       SchedulerClient* client,
@@ skipping 35 matching lines @@
   }
 
   bool CommitPending() const { return state_machine_.CommitPending(); }
   bool RedrawPending() const { return state_machine_.RedrawPending(); }
   bool ManageTilesPending() const {
     return state_machine_.ManageTilesPending();
   }
 
   bool WillDrawIfNeeded() const;
 
-  base::TimeTicks AnticipatedDrawTime();
+  gfx::FrameTime AnticipatedDrawTime();
 
-  base::TimeTicks LastBeginImplFrameTime();
+  gfx::FrameTime LastBeginImplFrameTime();
 
   void BeginImplFrame(const BeginFrameArgs& args);
   void OnBeginImplFrameDeadline();
   void PollForAnticipatedDrawTriggers();
 
   scoped_ptr<base::Value> StateAsValue() {
     return state_machine_.AsValue().Pass();
   }
 
   bool IsInsideAction(SchedulerStateMachine::Action action) {
     return inside_action_ == action;
   }
 
  private:
   Scheduler(SchedulerClient* client,
             const SchedulerSettings& scheduler_settings);
 
-  void PostBeginImplFrameDeadline(base::TimeTicks deadline);
+  void PostBeginImplFrameDeadline(gfx::FrameTime deadline);
   void SetupNextBeginImplFrameIfNeeded();
   void ActivatePendingTree();
   void DrawAndSwapIfPossible();
   void DrawAndSwapForced();
   void DrawAndReadback();
   void ProcessScheduledActions();
 
   const SchedulerSettings settings_;
   SchedulerClient* client_;
 
   bool last_set_needs_begin_impl_frame_;
   BeginFrameArgs last_begin_impl_frame_args_;
   base::CancelableClosure begin_impl_frame_deadline_closure_;
   base::CancelableClosure poll_for_draw_triggers_closure_;
 
   SchedulerStateMachine state_machine_;
   bool inside_process_scheduled_actions_;
   SchedulerStateMachine::Action inside_action_;
 
   base::WeakPtrFactory<Scheduler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_