net: Use SequencedTaskRunner for URLFetcherResponseWriter

chrome/browser/drive/gdata_wapi_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/drive/gdata_wapi_service.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/drive/drive_api_util.h"
 #include "chrome/browser/google_apis/auth_service.h"
 #include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/gdata_errorcode.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_requests.h"
 #include "chrome/browser/google_apis/gdata_wapi_url_generator.h"
 #include "chrome/browser/google_apis/request_sender.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/url_request/url_request_context_getter.h"

[mmenke, 2013/11/07 17:02:36]

Don't we need sequenced_task_runner here, to increment the ref count?

[hashimoto, 2013/11/08 04:08:17]

browser_thread.h includes it.
Anyways, added explicit one.

 
 using content::BrowserThread;
 using google_apis::AboutResource;
 using google_apis::AboutResourceCallback;
 using google_apis::AccountMetadata;
 using google_apis::AddResourceToDirectoryRequest;
 using google_apis::AppList;
 using google_apis::AppListCallback;
 using google_apis::AuthService;
 using google_apis::AuthStatusCallback;
@@ skipping 88 matching lines @@
     app_list = util::ConvertAccountMetadataToAppList(*account_metadata);
 
   callback.Run(error, app_list.Pass());
 }
 
 }  // namespace
 
 GDataWapiService::GDataWapiService(
     OAuth2TokenService* oauth2_token_service,
     net::URLRequestContextGetter* url_request_context_getter,
-    base::TaskRunner* blocking_task_runner,
+    base::SequencedTaskRunner* blocking_task_runner,
     const GURL& base_url,
     const GURL& base_download_url,
     const std::string& custom_user_agent)
     : oauth2_token_service_(oauth2_token_service),
       url_request_context_getter_(url_request_context_getter),
       blocking_task_runner_(blocking_task_runner),
       url_generator_(base_url, base_download_url),
       custom_user_agent_(custom_user_agent) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
@@ skipping 527 matching lines @@
   if (CanSendRequest()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnReadyToSendRequests());
   } else if (!HasRefreshToken()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnRefreshTokenInvalid());
   }
 }
 
 }  // namespace drive