Cleanup: ResourceDispatcherHost::BeginDownload takes a scoped_ptr<URLRequest> argument.

chrome/browser/download/download_extension_api.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/download/download_extension_api.h"
 
 #include <algorithm>
 #include <cctype>
 #include <iterator>
 #include <set>
@@ skipping 238 matching lines @@
   return true;
 }
 
 void DownloadsDownloadFunction::BeginDownloadOnIOThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DVLOG(1) << __FUNCTION__ << " " << iodata_->url.spec();
   DownloadSaveInfo save_info;
   // TODO(benjhayden) Ensure that this filename is interpreted as a path
   // relative to the default downloads directory without allowing '..'.
   save_info.suggested_name = iodata_->filename;
-  net::URLRequest* request = new net::URLRequest(iodata_->url, iodata_->rdh);
+  scoped_ptr<net::URLRequest> request(
+      new net::URLRequest(iodata_->url, iodata_->rdh));
   request->set_method(iodata_->method);
   if (iodata_->extra_headers != NULL) {
     for (size_t index = 0; index < iodata_->extra_headers->GetSize(); ++index) {
       base::DictionaryValue* header = NULL;
       std::string name, value;
       CHECK(iodata_->extra_headers->GetDictionary(index, &header));
       CHECK(header->GetString("name", &name));
       CHECK(header->GetString("value", &value));
       request->SetExtraRequestHeaderByName(name, value, false/*overwrite*/);
     }
   }
   if (!iodata_->post_body.empty()) {
     request->AppendBytesToUpload(iodata_->post_body.data(),
                                  iodata_->post_body.size());
   }
   iodata_->rdh->BeginDownload(
-      request,
+      request.Pass(),
       save_info,
       iodata_->save_as,
       base::Bind(&DownloadsDownloadFunction::OnStarted, this),
       iodata_->render_process_host_id,
       iodata_->render_view_host_routing_id,
       *(iodata_->resource_context));
   iodata_.reset();
 }
 
 void DownloadsDownloadFunction::OnStarted(DownloadId dl_id, net::Error error) {
@@ skipping 440 matching lines @@
   ListValue args;
   args.Append(arg);
   std::string json_args;
   base::JSONWriter::Write(&args, false, &json_args);
   profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name,
       json_args,
       profile_,
       GURL());
 }