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

chrome/browser/extensions/api/feedback_private/feedback_browsertest.cc

 // Copyright 2013 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 "base/bind.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/feedback_private/feedback_private_api.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/extensions/api/feedback_private.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/browser/app_window/app_window_registry.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_system.h"
 
 namespace {
 
 void StopMessageLoopCallback() {
-  base::MessageLoopForUI::current()->Quit();
+  base::MessageLoopForUI::current()->QuitWhenIdle();
 }
 
 }  // namespace
 
 namespace extensions {
 
 class FeedbackTest : public ExtensionBrowserTest {
  public:
   void SetUp() override {
     extensions::ComponentLoader::EnableBackgroundExtensionsForTesting();
@@ skipping 44 matching lines @@
 // See http://crbug.com/369886.
 IN_PROC_BROWSER_TEST_F(FeedbackTest, DISABLED_ShowFeedback) {
   WaitForExtensionViewsToLoad();
 
   ASSERT_TRUE(IsFeedbackAppAvailable());
   StartFeedbackUI();
   VerifyFeedbackAppLaunch();
 }
 
 }  // namespace extensions