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

chrome/browser/ui/webui/options/supervised_user_import_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_IMPORT_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_IMPORT_HANDLER_H_
 
 #include <string>
 
 #include "base/callback_list.h"
@@ skipping 79 matching lines @@
   void ClearSupervisedUsersAndShowError();
 
   bool IsAccountConnected() const;
   bool HasAuthError() const;
 
   // Called when a supervised user shared setting is changed. If the avatar was
   // changed, FetchSupervisedUsers() is called.
   void OnSharedSettingChanged(const std::string& supervised_user_id,
                               const std::string& key);
 
-  scoped_ptr<CallbackList::Subscription> subscription_;
+  std::unique_ptr<CallbackList::Subscription> subscription_;
 
   ScopedObserver<ProfileAttributesStorage, SupervisedUserImportHandler>
       profile_observer_;
   ScopedObserver<SigninErrorController, SupervisedUserImportHandler>
       signin_error_observer_;
   ScopedObserver<SupervisedUserSyncService, SupervisedUserImportHandler>
       supervised_user_sync_service_observer_;
 
   bool removed_profile_is_supervised_;
 
   base::WeakPtrFactory<SupervisedUserImportHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserImportHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_IMPORT_HANDLER_H_