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

chrome/browser/safe_browsing/download_protection_service.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/download_protection_service.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 763 matching lines @@
     if (zipped_executable_)
       request.mutable_archived_binary()->Swap(&archived_binary_);
     if (!request.SerializeToString(&client_download_request_data_)) {
       FinishRequest(UNKNOWN, REASON_INVALID_REQUEST_PROTO);
       return;
     }
     service_->client_download_request_callbacks_.Notify(item_, &request);
 
     DVLOG(2) << "Sending a request for URL: "
              << item_->GetUrlChain().back();
-    fetcher_.reset(net::URLFetcher::Create(0 /* ID used for testing */,
-                                           GetDownloadRequestUrl(),
-                                           net::URLFetcher::POST,
-                                           this));
+    fetcher_ = net::URLFetcher::Create(0 /* ID used for testing */,
+                                       GetDownloadRequestUrl(),
+                                       net::URLFetcher::POST, this);
     fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE);
     fetcher_->SetAutomaticallyRetryOn5xx(false);  // Don't retry on error.
     fetcher_->SetRequestContext(service_->request_context_getter_.get());
     fetcher_->SetUploadData("application/octet-stream",
                             client_download_request_data_);
     request_start_time_ = base::TimeTicks::Now();
     UMA_HISTOGRAM_COUNTS("SBClientDownload.DownloadRequestPayloadSize",
                          client_download_request_data_.size());
     fetcher_->Start();
   }
@@ skipping 343 matching lines @@
 GURL DownloadProtectionService::GetDownloadRequestUrl() {
   GURL url(kDownloadRequestUrl);
   std::string api_key = google_apis::GetAPIKey();
   if (!api_key.empty())
     url = url.Resolve("?key=" + net::EscapeQueryParamValue(api_key, true));
 
   return url;
 }
 
 }  // namespace safe_browsing