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

chrome/browser/app_controller_mac_browsertest.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 #import <Foundation/Foundation.h>
 #import <Foundation/NSAppleEventDescriptor.h>
 #import <objc/message.h>
 #import <objc/runtime.h>
@@ skipping 200 matching lines @@
   EXPECT_NE(Profile::CREATE_STATUS_REMOTE_FAIL, status);
   // This will be called multiple times. Wait until the profile is initialized
   // fully to quit the loop.
   if (status == Profile::CREATE_STATUS_INITIALIZED)
     quit_closure.Run();
 }
 
 void CreateAndWaitForSystemProfile() {
   ProfileManager::CreateCallback create_callback =
       base::Bind(&CreateProfileCallback,
-                 base::MessageLoop::current()->QuitClosure());
+                 base::MessageLoop::current()->QuitWhenIdleClosure());
   g_browser_process->profile_manager()->CreateProfileAsync(
       ProfileManager::GetSystemProfilePath(),
       create_callback,
       base::string16(),
       base::string16(),
       std::string());
   base::RunLoop().Run();
 }
 
 class AppControllerNewProfileManagementBrowserTest
@@ skipping 460 matching lines @@
   ui_test_utils::NavigateToURL(browser3, test_url1);
   EXPECT_EQ(g_handoff_url, GURL());
 
   // Activate the original browser window.
   Browser* browser1 = active_browser_list->get(0);
   browser1->window()->Show();
   EXPECT_EQ(g_handoff_url, test_url2);
 }
 
 }  // namespace