Adjust URLFetcher::Create API so that object is returned as scoped_ptr.

google_apis/gaia/oauth2_api_call_flow.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 GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_
 #define GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 46 matching lines @@
     INITIAL,
     API_CALL_STARTED,
     API_CALL_DONE,
     ERROR_STATE
   };
 
   // Creates an instance of URLFetcher that does not send or save cookies.
   // Template method CreateApiCallUrl is used to get the URL.
   // Template method CreateApiCallBody is used to get the body.
   // The URLFether's method will be GET if body is empty, POST otherwise.
-  // Caller owns the returned instance.
-  net::URLFetcher* CreateURLFetcher(net::URLRequestContextGetter* context,
-                                    const std::string& access_token);
+  scoped_ptr<net::URLFetcher> CreateURLFetcher(
+      net::URLRequestContextGetter* context,
+      const std::string& access_token);
 
   // Helper methods to implement the state machine for the flow.
   void BeginApiCall();
   void EndApiCall(const net::URLFetcher* source);
 
   State state_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2ApiCallFlow);
 };
 
 #endif  // GOOGLE_APIS_GAIA_OAUTH2_API_CALL_FLOW_H_