Moved XMPP notifier library from chrome/browser/sync to chrome/common....

chrome/browser/sync/notifier/base/timer.h

-// Copyright (c) 2009 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 CHROME_BROWSER_SYNC_NOTIFIER_BASE_TIMER_H_
-#define CHROME_BROWSER_SYNC_NOTIFIER_BASE_TIMER_H_
-
-#include "talk/base/task.h"
-
-namespace notifier {
-
-class Timer : private talk_base::Task {
- public:
-  Timer(talk_base::Task* parent, int timeout_seconds, bool repeat);
-  ~Timer();
-
-  // Call Abort() to stop the timer.
-  using talk_base::Task::Abort;
-
-  // Call to find out when the timer is set to go off. Returns int64.
-  using talk_base::Task::get_timeout_time;
-
-  // Call to set the timeout interval.
-  using talk_base::Task::set_timeout_seconds;
-
-  using talk_base::Task::SignalTimeout;
-
- private:
-  virtual int OnTimeout();
-  virtual int ProcessStart();
-
-  bool repeat_;
-
-  DISALLOW_COPY_AND_ASSIGN(Timer);
-};
-
-}  // namespace notifier
-
-#endif  // CHROME_BROWSER_SYNC_NOTIFIER_BASE_TIMER_H_