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

chrome/browser/chromeos/file_manager/file_manager_browsertest_base.cc

 // Copyright 2015 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/file_manager/file_manager_browsertest_base.h"
 
 #include <deque>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_value_converter.h"
@@ skipping 214 matching lines @@
     Message entry;
     entry.type = type;
     entry.message = type != extensions::NOTIFICATION_EXTENSION_TEST_PASSED
                         ? *content::Details<std::string>(details).ptr()
                         : std::string();
     entry.function =
         type == extensions::NOTIFICATION_EXTENSION_TEST_MESSAGE
             ? content::Source<extensions::TestSendMessageFunction>(source).ptr()
             : NULL;
     messages_.push_back(entry);
-    base::MessageLoopForUI::current()->Quit();
+    base::MessageLoopForUI::current()->QuitWhenIdle();
   }
 
  private:
   std::deque<Message> messages_;
   content::NotificationRegistrar registrar_;
 };
 
 }  // anonymous namespace
 
 // The local volume class for test.
@@ skipping 477 matching lines @@
 }
 
 drive::DriveIntegrationService*
 FileManagerBrowserTestBase::CreateDriveIntegrationService(Profile* profile) {
   drive_volumes_[profile->GetOriginalProfile()].reset(new DriveTestVolume());
   return drive_volumes_[profile->GetOriginalProfile()]
       ->CreateDriveIntegrationService(profile);
 }
 
 }  // namespace file_manager