Delete sky/scheduler

sky/scheduler/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 SKY_SCHEDULER_SCHEDULER_H_
-#define SKY_SCHEDULER_SCHEDULER_H_
-
-#include "base/single_thread_task_runner.h"
-#include "base/time/time.h"
-#include "sky/scheduler/timer.h"
-
-namespace sky {
-
-class Scheduler : public Timer::Client {
- public:
-  class Client {
-   public:
-    virtual void BeginFrame(base::TimeTicks frame_time,
-                            base::TimeTicks deadline) = 0;
-
-   protected:
-    virtual ~Client();
-  };
-
-  Scheduler(Client* client,
-            scoped_refptr<base::SingleThreadTaskRunner> task_runner);
-  ~Scheduler();
-
-  void UpdateFrameDuration(base::TimeDelta estimate);
-  void UpdateVSync(const TimeInterval& vsync);
-
-  void SetNeedsFrame();
-
- private:
-  void UpdateTimerInterval();
-  void OnTimerTick(base::TimeTicks now) override;
-
-  Client* client_;
-  Timer timer_;
-  TimeInterval vsync_;
-  base::TimeDelta frame_duration_;
-};
-}
-
-#endif  // SKY_SCHEDULER_SCHEDULER_H_