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

chrome/browser/spellchecker/spelling_service_client.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_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_
 #define CHROME_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 97 matching lines @@
     // The text checked by the Spelling service.
     base::string16 text;
   };
 
   // net::URLFetcherDelegate implementation.
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Creates a URLFetcher object used for sending a JSON-RPC request. This
   // function is overridden by unit tests to prevent them from actually sending
   // requests to the Spelling service.
-  virtual net::URLFetcher* CreateURLFetcher(const GURL& url);
+  virtual scoped_ptr<net::URLFetcher> CreateURLFetcher(const GURL& url);
 
   // The URLFetcher object used for sending a JSON-RPC request.
   std::map<const net::URLFetcher*, TextCheckCallbackData*> spellcheck_fetchers_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_SPELLING_SERVICE_CLIENT_H_