Removing MessageLoop::QuitTask() from chrome/

chrome/browser/download/download_test_observer.cc

 // Copyright (c) 2011 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 <vector>
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/task.h"
@@ skipping 276 matching lines @@
 }
 
 void DownloadTestFlushObserver::PingIOThread(int cycle) {
   if (--cycle) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         NewRunnableMethod(this, &DownloadTestFlushObserver::PingFileThread,
                           cycle));
   } else {
     BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE, new MessageLoop::QuitTask());
+        BrowserThread::UI, FROM_HERE, MessageLoop::QuitClosure());
   }
 }