Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/views/message_center/web_notification_tray.h

 // Copyright 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 CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_
 #define CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_
 
+#include <memory>
+
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/message_center/message_center_tray_delegate.h"
 #include "ui/views/widget/widget_observer.h"
 
 class StatusIcon;
 
 namespace message_center {
 class DesktopPopupAlignmentDelegate;
 class MessageCenter;
 class MessageCenterTray;
 class MessagePopupCollection;
@@ skipping 19 matching lines @@
   bool IsContextMenuEnabled() const override;
 
   MessageCenterTray* GetMessageCenterTray() override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotifications);
   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotificationPopupBubble);
   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManyPopupNotifications);
   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManuallyCloseMessageCenter);
 
-  scoped_ptr<MessagePopupCollection> popup_collection_;
-  scoped_ptr<DesktopPopupAlignmentDelegate> alignment_delegate_;
+  std::unique_ptr<MessagePopupCollection> popup_collection_;
+  std::unique_ptr<DesktopPopupAlignmentDelegate> alignment_delegate_;
 
-  scoped_ptr<MessageCenterTray> message_center_tray_;
+  std::unique_ptr<MessageCenterTray> message_center_tray_;
   DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
 };
 
 }  // namespace message_center
 
 #endif  // CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_