Don't use base::MessageLoop::{Quit,QuitClosure} in chrome/

chrome/browser/sync/test/integration/sessions_helper.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/sync/test/integration/sessions_helper.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 138 matching lines @@
 
   void OnFaviconsChanged(const std::set<GURL>& /* page_urls */,
                          const GURL& /* icon_url */) override {
     // Unwind to ensure SessionsSyncManager has processed the event.
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&TabEventHandler::QuitLoop, weak_factory_.GetWeakPtr()));
   }
 
  private:
-  void QuitLoop() {
-    base::MessageLoop::current()->Quit();
-  }
+  void QuitLoop() { base::MessageLoop::current()->QuitWhenIdle(); }
 
   base::WeakPtrFactory<TabEventHandler> weak_factory_;
 };
 
 }  // namespace
 
 bool WaitForTabsToLoad(int index, const std::vector<GURL>& urls) {
   DVLOG(1) << "Waiting for session to propagate to associator.";
   base::TimeTicks start_time = base::TimeTicks::Now();
   base::TimeTicks end_time = start_time + TestTimeouts::action_max_timeout();
@@ skipping 256 matching lines @@
   return !checker.TimedOut();
 }
 
 void DeleteForeignSession(int index, std::string session_tag) {
   ProfileSyncServiceFactory::GetInstance()->GetForProfile(
       test()->GetProfile(index))->
           GetOpenTabsUIDelegate()->DeleteForeignSession(session_tag);
 }
 
 }  // namespace sessions_helper