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

chrome/browser/supervised_user/experimental/supervised_user_async_url_checker.cc

 // Copyright 2014 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/supervised_user/experimental/supervised_user_async_url_checker.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/json/json_reader.h"
@@ skipping 69 matching lines @@
 // specified, enables SafeSearch for this request.
 scoped_ptr<net::URLFetcher> CreateFetcher(
     URLFetcherDelegate* delegate,
     URLRequestContextGetter* context,
     const std::string& api_key,
     const GURL& url,
     bool safe) {
   const int kSafeId = 0;
   const int kUnsafeId = 1;
   int id = safe ? kSafeId : kUnsafeId;
-  scoped_ptr<net::URLFetcher> fetcher(URLFetcher::Create(
-      id, BuildSearchURL(api_key, url, safe), URLFetcher::GET, delegate));
+  scoped_ptr<net::URLFetcher> fetcher = URLFetcher::Create(
+      id, BuildSearchURL(api_key, url, safe), URLFetcher::GET, delegate);
   fetcher->SetRequestContext(context);
   fetcher->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                         net::LOAD_DO_NOT_SAVE_COOKIES);
   return fetcher.Pass();
 }
 
 // Checks whether the search |response| (in JSON format) contains an entry for
 // the given |url|.
 bool ResponseContainsURL(const std::string& response, const GURL& url) {
   scoped_ptr<base::Value> value(base::JSONReader::Read(response));
@@ skipping 211 matching lines @@
 
   UMA_HISTOGRAM_TIMES("ManagedUsers.SafeSitesDelay",
                       base::Time::Now() - check->start_time);
 
   cache_.Put(check->url, CheckResult(behavior, uncertain));
 
   for (size_t i = 0; i < check->callbacks.size(); i++)
     check->callbacks[i].Run(check->url, behavior, uncertain);
   checks_in_progress_.erase(it);
 }