Reset popup dismissal timers when replacing a notification.

ui/message_center/popup_timers_controller.h

 // Copyright 2016 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 UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_
 #define UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 35 matching lines @@
   // Continues all managed timers.
   void StartAll();
 
   // Removes all managed timers.
   void CancelAll();
 
   // Starts a timer (by creating a PopupTimer) for |id|.
   void StartTimer(const std::string& id,
                   const base::TimeDelta& timeout_in_seconds);
 
-  // Stops a single timer, reverts it to a new timeout, and restarts it.
-  void ResetTimer(const std::string& id,
-                  const base::TimeDelta& timeout_in_seconds);
-
-  // Pauses a single timer, such that it will continue where it left off after a
-  // call to StartAll or StartTimer.
-  void PauseTimer(const std::string& id);
-
   // Removes and cancels a single popup timer, if it exists.
   void CancelTimer(const std::string& id);
 
  private:
   // Weak, global.
   MessageCenter* message_center_;
 
   // The PopupTimerCollection contains all the managed timers by their ID.
   using PopupTimerCollection =
       std::map<std::string, std::unique_ptr<PopupTimer>>;
   PopupTimerCollection popup_timers_;
 
   DISALLOW_COPY_AND_ASSIGN(PopupTimersController);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_