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

chrome/browser/ui/webui/signin/signin_create_profile_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SIGNIN_SIGNIN_CREATE_PROFILE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_SIGNIN_CREATE_PROFILE_HANDLER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 174 matching lines @@
 
   // Creates the supervised user with the given |supervised_user_id| if the user
   // doesn't already exist on the machine.
   void DoCreateProfileIfPossible(const base::string16& name,
                                  const std::string& icon_url,
                                  bool create_shortcut,
                                  const std::string& supervised_user_id,
                                  Profile* custodian_profile,
                                  const base::DictionaryValue* dict);
 
-  scoped_ptr<SupervisedUserRegistrationUtility>
+  std::unique_ptr<SupervisedUserRegistrationUtility>
       supervised_user_registration_utility_;
 #endif
 
   // Returns true if profile has signed into chrome.
   bool IsAccountConnected(Profile* profile) const;
   // Returns true if profile has authentication error.
   bool HasAuthError(Profile* profile) const;
 
   base::WeakPtrFactory<SigninCreateProfileHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninCreateProfileHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_SIGNIN_CREATE_PROFILE_HANDLER_H_