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

chrome/browser/ui/webui/help/help_handler.h

 // Copyright (c) 2012 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_HELP_HELP_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 97 matching lines @@
   void OnRegulatoryLabelDirFound(const base::FilePath& path);
 
   // Callback for setting the regulatory label source.
   void OnRegulatoryLabelImageFound(const base::FilePath& path);
 
   // Callback for setting the regulatory label alt text.
   void OnRegulatoryLabelTextRead(const std::string& text);
 #endif
 
   // Specialized instance of the VersionUpdater used to update the browser.
-  scoped_ptr<VersionUpdater> version_updater_;
+  std::unique_ptr<VersionUpdater> version_updater_;
 
   // Used to observe notifications.
   content::NotificationRegistrar registrar_;
 
   // Used to observe changes in the |kDeviceAutoUpdateDisabled| policy.
   policy::PolicyChangeRegistrar policy_registrar_;
 
   // Used for callbacks.
   base::WeakPtrFactory<HelpHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HelpHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_