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

chrome/browser/extensions/activity_log/activity_log_browsertest.cc

 // Copyright (c) 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/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 24 matching lines @@
     command_line->AppendSwitchASCII(switches::kPrerenderMode,
                                     switches::kPrerenderModeSwitchValueEnabled);
   }
 
   static void Prerender_Arguments(
       const std::string& extension_id,
       uint16 port,
       scoped_ptr<std::vector<scoped_refptr<Action> > > i) {
     // This is to exit RunLoop (base::MessageLoop::current()->Run()) below
     base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::MessageLoop::QuitClosure());
+        FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
 
     ASSERT_TRUE(i->size());
     scoped_refptr<Action> last = i->front();
 
     ASSERT_EQ(extension_id, last->extension_id());
     ASSERT_EQ(Action::ACTION_CONTENT_SCRIPT, last->action_type());
     ASSERT_EQ("[\"/google_cs.js\"]",
               ActivityLogPolicy::Util::Serialize(last->args()));
     ASSERT_EQ(
         base::StringPrintf("http://www.google.com.bo:%u/test.html", port),
@@ skipping 63 matching lines @@
       "",
       -1,
       base::Bind(
           ActivityLogPrerenderTest::Prerender_Arguments, ext->id(), port));
 
   // Allow invocation of Prerender_Arguments
   base::MessageLoop::current()->Run();
 }
 
 }  // namespace extensions