Delete sky/scheduler

sky/scheduler/timer.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_TIMER_H_
-#define SKY_SCHEDULER_TIMER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "base/time/time.h"
-#include "sky/scheduler/time_interval.h"
-
-namespace sky {
-
-class Timer {
- public:
-  class Client {
-   public:
-    virtual void OnTimerTick(base::TimeTicks now) = 0;
-
-   protected:
-    virtual ~Client();
-  };
-
-  Timer(Client* client,
-        scoped_refptr<base::SingleThreadTaskRunner> task_runner);
-  ~Timer();
-
-  void SetInterval(const TimeInterval& parameters);
-  void SetEnabled(bool enabled);
-
- private:
-  base::TimeTicks NextTickTarget(base::TimeTicks now);
-  void ScheduleNextTick(base::TimeTicks now);
-  void PostTickTask(base::TimeTicks now, base::TimeTicks target);
-  void OnTimerFired();
-
-  Client* client_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-
-  TimeInterval interval_;
-  base::TimeTicks last_tick_;
-  base::TimeTicks current_target_;
-
-  bool enabled_;
-
-  base::WeakPtrFactory<Timer> weak_factory_;
-};
-
-}
-
-#endif  // SKY_SCHEDULER_TIMER_H_