net: Use SequencedTaskRunner for URLFetcherResponseWriter

chrome/browser/chromeos/contacts/gdata_contacts_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/chromeos/contacts/gdata_contacts_service.h"
 
 #include <cstring>
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 837 matching lines @@
 
 GDataContactsService::GDataContactsService(
     net::URLRequestContextGetter* url_request_context_getter,
     google_apis::AuthServiceInterface* auth_service)
     : max_photo_downloads_per_second_(kMaxPhotoDownloadsPerSecond),
       photo_download_timer_interval_(base::TimeDelta::FromSeconds(1)) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   sender_.reset(new google_apis::RequestSender(
       auth_service,
       url_request_context_getter,
-      content::BrowserThread::GetBlockingPool(),
+      BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
+          BrowserThread::GetBlockingPool()->GetSequenceToken()).get(),

[satorux1, 2013/11/11 07:43:14]

looks verbose, but looks it's necessary...

       "" /* custom_user_agent */));
 }
 
 GDataContactsService::~GDataContactsService() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   STLDeleteContainerPointers(requests_.begin(), requests_.end());
   requests_.clear();
 }
 
 void GDataContactsService::DownloadContacts(SuccessCallback success_callback,
@@ skipping 15 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(request);
   VLOG(1) << "Download request " << request << " complete";
   if (!request->my_contacts_group_id().empty())
     cached_my_contacts_group_id_ = request->my_contacts_group_id();
   requests_.erase(request);
   delete request;
 }
 
 }  // namespace contacts