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

chrome/browser/ui/app_list/speech_auth_helper.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_APP_LIST_SPEECH_AUTH_HELPER_H_
 #define CHROME_BROWSER_UI_APP_LIST_SPEECH_AUTH_HELPER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 
 class Profile;
 class ProfileOAuth2TokenService;
 
 namespace base {
 class Clock;
 }
 
@@ skipping 26 matching lines @@
   // Overridden from OAuth2TokenService::Observer:
   void OnRefreshTokenAvailable(const std::string& account_id) override;
 
   void ScheduleTokenFetch(const base::TimeDelta& fetch_delay);
   void FetchAuthToken();
 
   base::Clock* clock_;
   ProfileOAuth2TokenService* token_service_;
   std::string authenticated_account_id_;
   std::string auth_token_;
-  scoped_ptr<OAuth2TokenService::Request> auth_token_request_;
+  std::unique_ptr<OAuth2TokenService::Request> auth_token_request_;
 
   base::WeakPtrFactory<SpeechAuthHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpeechAuthHelper);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SPEECH_AUTH_HELPER_H_