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

chrome/browser/extensions/api/notifications/notifications_apitest.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 "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/notifications/notifications_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 50 matching lines @@
  private:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override {
     results_.push_back(
         static_cast<content::Source<extensions::TestSendMessageFunction> >(
             source)
             .ptr()
             ->user_gesture());
     if (waiting_)
-      base::MessageLoopForUI::current()->Quit();
+      base::MessageLoopForUI::current()->QuitWhenIdle();
   }
 
   content::NotificationRegistrar registrar_;
 
   // A sequential list of user gesture notifications from the test extension(s).
   std::deque<bool> results_;
 
   // True if we're in a nested message loop waiting for results from
   // the extension.
   bool waiting_;
@@ skipping 200 matching lines @@
     notification->ButtonClick(0);
     EXPECT_TRUE(catcher.GetNextResult());
     notification->Click();
     EXPECT_TRUE(catcher.GetNextResult());
     notification->Close(true);
     EXPECT_TRUE(catcher.GetNextResult());
     notification->Close(false);
     EXPECT_FALSE(catcher.GetNextResult());
   }
 }