Replace scoped_ptr with std::unique_ptr in //ui

ui/message_center/popup_timers_controller.cc

 // 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.
 
 #include "ui/message_center/popup_timers_controller.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "ui/message_center/message_center_style.h"
@@ skipping 23 matching lines @@
 
 void PopupTimersController::StartTimer(const std::string& id,
                                        const base::TimeDelta& timeout) {
   PopupTimerCollection::const_iterator iter = popup_timers_.find(id);
   if (iter != popup_timers_.end()) {
     DCHECK(iter->second);
     iter->second->Start();
     return;
   }
 
-  scoped_ptr<PopupTimer> timer(new PopupTimer(id, timeout, AsWeakPtr()));
+  std::unique_ptr<PopupTimer> timer(new PopupTimer(id, timeout, AsWeakPtr()));
 
   timer->Start();
   popup_timers_.insert(std::make_pair(id, std::move(timer)));
 }
 
 void PopupTimersController::StartAll() {
   for (const auto& iter : popup_timers_)
     iter.second->Start();
 }
 
@@ skipping 62 matching lines @@
   if (popup_timers_.find(id) == popup_timers_.end())
     StartTimer(id, GetTimeoutForNotification(*iter));
 }
 
 void PopupTimersController::OnNotificationRemoved(const std::string& id,
                                                   bool by_user) {
   CancelTimer(id);
 }
 
 }  // namespace message_center