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

chrome/browser/chromeos/login/signin/token_handle_fetcher.h

 // Copyright 2015 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_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_FETCHER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_FETCHER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 40 matching lines @@
   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
                          const std::string& access_token,
                          const base::Time& expiration_time) override;
   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                          const GoogleServiceAuthError& error) override;
 
   // GaiaOAuthClient::Delegate overrides:
   void OnOAuthError() override;
   void OnNetworkError(int response_code) override;
   void OnGetTokenInfoResponse(
-      scoped_ptr<base::DictionaryValue> token_info) override;
+      std::unique_ptr<base::DictionaryValue> token_info) override;
 
   void RequestAccessToken(const std::string& user_email);
   void FillForAccessToken(const std::string& access_token);
 
   // This is called before profile is detroyed.
   void OnProfileDestroyed();
 
   TokenHandleUtil* token_handle_util_ = nullptr;
   AccountId account_id_;
   OAuth2TokenService* token_service_ = nullptr;
 
   bool waiting_for_refresh_token_ = false;
   std::string account_without_token_;
   Profile* profile_ = nullptr;
   base::TimeTicks tokeninfo_response_start_time_ = base::TimeTicks();
   TokenFetchingCallback callback_;
-  scoped_ptr<gaia::GaiaOAuthClient> gaia_client_;
-  scoped_ptr<OAuth2TokenService::Request> oauth2_access_token_request_;
-  scoped_ptr<KeyedServiceShutdownNotifier::Subscription>
+  std::unique_ptr<gaia::GaiaOAuthClient> gaia_client_;
+  std::unique_ptr<OAuth2TokenService::Request> oauth2_access_token_request_;
+  std::unique_ptr<KeyedServiceShutdownNotifier::Subscription>
       profile_shutdown_notification_;
 
   DISALLOW_COPY_AND_ASSIGN(TokenHandleFetcher);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_FETCHER_H_