Convert //chrome from scoped_ptr to std::unique_ptr

chrome/service/cloud_print/cloud_print_auth.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_SERVICE_CLOUD_PRINT_CLOUD_PRINT_AUTH_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_AUTH_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/values.h"
 #include "chrome/service/cloud_print/cloud_print_url_fetcher.h"
 #include "google_apis/gaia/gaia_oauth_client.h"
 #include "url/gurl.h"
 
 namespace cloud_print {
 
@@ skipping 55 matching lines @@
       bool succeeded) override;
   CloudPrintURLFetcher::ResponseAction OnRequestAuthError() override;
   std::string GetAuthHeader() override;
 
  private:
   friend class base::RefCountedThreadSafe<CloudPrintAuth>;
   ~CloudPrintAuth() override;
 
   Client* client_;
   gaia::OAuthClientInfo oauth_client_info_;
-  scoped_ptr<gaia::GaiaOAuthClient> oauth_client_;
+  std::unique_ptr<gaia::GaiaOAuthClient> oauth_client_;
 
   // The CloudPrintURLFetcher instance for the current request.
   scoped_refptr<CloudPrintURLFetcher> request_;
 
   GURL cloud_print_server_url_;
   // Proxy id, need to send to the cloud print server to find and update
   // necessary printers during the migration process.
   const std::string& proxy_id_;
   // The OAuth2 refresh token for the robot.
   std::string refresh_token_;
   // The email address of the user. This is only used during initial
   // authentication with an LSID. This is only used for storing in prefs for
   // display purposes.
   std::string user_email_;
   // The email address of the robot account.
   std::string robot_email_;
   // client login token used to authenticate request to cloud print server to
   // get the robot account.
   std::string client_login_token_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintAuth);
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_AUTH_H_