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

chrome/browser/ui/webui/options/supervised_user_create_confirm_handler.h

 // Copyright 2014 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_WEBUI_OPTIONS_SUPERVISED_USER_CREATE_CONFIRM_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_CREATE_CONFIRM_HANDLER_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
@@ skipping 21 matching lines @@
   // that this dialog can be updated or closed.
   class ProfileUpdateObserver;
 
   // Callback for the "switchToProfile" message.
   // Opens a new window for the profile.
   // |args| is of the form [ {string} profileFilePath ]
   void SwitchToProfile(const base::ListValue* args);
 
   // Observes the ProfileAttributesStorage and gets notified when a profile has
   // been modified, so that the dialog can be updated or closed.
-  scoped_ptr<ProfileUpdateObserver> profile_update_observer_;
+  std::unique_ptr<ProfileUpdateObserver> profile_update_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserCreateConfirmHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_CREATE_CONFIRM_HANDLER_H_