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

components/web_resource/web_resource_service.cc

 // Copyright 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.
 
 #include "components/web_resource/web_resource_service.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 94 matching lines @@
     return;
   in_fetch_ = true;
 
   GURL web_resource_server =
       application_locale_.empty()
           ? web_resource_server_
           : google_util::AppendGoogleLocaleParam(web_resource_server_,
                                                  application_locale_);
 
   DVLOG(1) << "WebResourceService StartFetch " << web_resource_server;
-  url_fetcher_.reset(
-      net::URLFetcher::Create(web_resource_server, net::URLFetcher::GET, this));
+  url_fetcher_ =
+      net::URLFetcher::Create(web_resource_server, net::URLFetcher::GET, this);
   // Do not let url fetcher affect existing state in system context
   // (by setting cookies, for example).
   url_fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE |
                              net::LOAD_DO_NOT_SEND_COOKIES |
                              net::LOAD_DO_NOT_SAVE_COOKIES);
   url_fetcher_->SetRequestContext(request_context_.get());
   url_fetcher_->Start();
 }
 
 void WebResourceService::EndFetch() {
@@ skipping 39 matching lines @@
       // Wait at least |start_fetch_delay_ms_|.
       if (ms_until_update > start_fetch_delay_ms_)
         delay = ms_until_update;
     }
   }
   // Start fetch and wait for UpdateResourceCache.
   ScheduleFetch(delay);
 }
 
 }  // namespace web_resource