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

chrome/browser/extensions/webstore_data_fetcher.cc

 // 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.
 
 #include "chrome/browser/extensions/webstore_data_fetcher.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/webstore_data_fetcher_delegate.h"
 #include "chrome/browser/safe_json_parser.h"
@@ skipping 20 matching lines @@
       referrer_url_(referrer_url),
       id_(webstore_item_id),
       max_auto_retries_(0) {
 }
 
 WebstoreDataFetcher::~WebstoreDataFetcher() {}
 
 void WebstoreDataFetcher::Start() {
   GURL webstore_data_url(extension_urls::GetWebstoreItemJsonDataURL(id_));
 
-  webstore_data_url_fetcher_.reset(net::URLFetcher::Create(
-      webstore_data_url, net::URLFetcher::GET, this));
+  webstore_data_url_fetcher_ =
+      net::URLFetcher::Create(webstore_data_url, net::URLFetcher::GET, this);
   webstore_data_url_fetcher_->SetRequestContext(request_context_);
   webstore_data_url_fetcher_->SetReferrer(referrer_url_.spec());
   webstore_data_url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES |
                                            net::LOAD_DISABLE_CACHE);
   if (max_auto_retries_ > 0) {
     webstore_data_url_fetcher_->SetMaxRetriesOn5xx(max_auto_retries_);
     webstore_data_url_fetcher_->SetAutomaticallyRetryOnNetworkChanges(
         max_auto_retries_);
   }
   webstore_data_url_fetcher_->Start();
@@ skipping 33 matching lines @@
       new SafeJsonParser(webstore_json_data,
                          base::Bind(&WebstoreDataFetcher::OnJsonParseSuccess,
                                     AsWeakPtr()),
                          base::Bind(&WebstoreDataFetcher::OnJsonParseFailure,
                                     AsWeakPtr()));
   // The parser will call us back via one of the callbacks.
   parser->Start();
 }
 
 }  // namespace extensions