Replace scoped_ptr with std::unique_ptr in //ui

ui/message_center/popup_timer.h

 // Copyright (c) 2013 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_TIMER_H_
 #define UI_MESSAGE_CENTER_POPUP_TIMER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 
 namespace message_center {
 
 // A class that manages timeout behavior for notification popups.  One instance
 // is created per notification popup.
 class PopupTimer {
  public:
@@ skipping 35 matching lines @@
   // If paused, the amount of time that passed before pause.
   base::TimeDelta passed_;
 
   // The time that the timer was last started.
   base::Time start_time_;
 
   // Callback recipient.
   base::WeakPtr<Delegate> timer_delegate_;
 
   // The actual timer.
-  scoped_ptr<base::OneShotTimer> timer_;
+  std::unique_ptr<base::OneShotTimer> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PopupTimer);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_POPUP_TIMER_H_