Replace scoped_ptr with std::unique_ptr in //ui

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>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_observer.h"
 #include "ui/message_center/popup_timer.h"
 
 namespace message_center {
 
 // A class that manages all the timers running for individual notification popup
 // windows.  It supports weak pointers in order to allow safe callbacks when
 // timers expire.
@@ skipping 39 matching lines @@
   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, scoped_ptr<PopupTimer>>;
+  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_