Move timing files into base/time, install forwarding headers.

base/hi_res_timer_manager.h

-// Copyright (c) 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 BASE_HI_RES_TIMER_MANAGER_H_
-#define BASE_HI_RES_TIMER_MANAGER_H_
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/power_monitor/power_observer.h"
-
-// Ensures that the Windows high resolution timer is only used
-// when not running on battery power.
-class BASE_EXPORT HighResolutionTimerManager : public base::PowerObserver {
- public:
-  HighResolutionTimerManager();
-  virtual ~HighResolutionTimerManager();
-
-  // base::PowerObserver method.
-  virtual void OnPowerStateChange(bool on_battery_power) OVERRIDE;
-
-  // Returns true if the hi resolution clock could be used right now.
-  bool hi_res_clock_available() const { return hi_res_clock_available_; }
-
- private:
-  // Enable or disable the faster multimedia timer.
-  void UseHiResClock(bool use);
-
-  bool hi_res_clock_available_;
-
-  DISALLOW_COPY_AND_ASSIGN(HighResolutionTimerManager);
-};
-
-#endif  // BASE_HI_RES_TIMER_MANAGER_H_