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

components/dom_distiller/core/distiller_url_fetcher.h

 // Copyright 2013 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 COMPONENTS_DOM_DISTILLER_CORE_DISTILLER_URL_FETCHER_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_DISTILLER_URL_FETCHER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 25 matching lines @@
   ~DistillerURLFetcher() override;
 
   // Indicates when a fetch is done.
   typedef base::Callback<void(const std::string& data)> URLFetcherCallback;
 
   // Fetches a |url|. Notifies when the fetch is done via |callback|.
   virtual void FetchURL(const std::string& url,
                         const URLFetcherCallback& callback);
 
  protected:
-  virtual net::URLFetcher* CreateURLFetcher(
+  virtual scoped_ptr<net::URLFetcher> CreateURLFetcher(
       net::URLRequestContextGetter* context_getter,
       const std::string& url);
 
  private:
   // net::URLFetcherDelegate:
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   scoped_ptr<net::URLFetcher> url_fetcher_;
   URLFetcherCallback callback_;
   net::URLRequestContextGetter* context_getter_;
   DISALLOW_COPY_AND_ASSIGN(DistillerURLFetcher);
 };
 
 }  //  namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_DISTILLER_URL_FETCHER_H_