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

mojo/runner/context.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 "mojo/runner/context.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 241 matching lines @@
   DCHECK_EQ(base::MessageLoop::current()->task_runner(),
             task_runners_->shell_runner());
   embedder::ShutdownIPCSupport();
   // We'll quit when we get OnShutdownComplete().
   base::MessageLoop::current()->Run();
 }
 
 void Context::OnShutdownComplete() {
   DCHECK_EQ(base::MessageLoop::current()->task_runner(),
             task_runners_->shell_runner());
-  base::MessageLoop::current()->Quit();
+  base::MessageLoop::current()->QuitWhenIdle();
 }
 
 void Context::Run(const GURL& url) {
   DCHECK(app_complete_callback_.is_null());
   ServiceProviderPtr services;
   ServiceProviderPtr exposed_services;
 
   app_urls_.insert(url);
 
   scoped_ptr<shell::ConnectToApplicationParams> params(
@@ skipping 22 matching lines @@
   }
 }
 
 void Context::OnApplicationEnd(const GURL& url) {
   if (app_urls_.find(url) != app_urls_.end()) {
     app_urls_.erase(url);
     if (app_urls_.empty() && base::MessageLoop::current()->is_running()) {
       DCHECK_EQ(base::MessageLoop::current()->task_runner(),
                 task_runners_->shell_runner());
       if (app_complete_callback_.is_null()) {
-        base::MessageLoop::current()->Quit();
+        base::MessageLoop::current()->QuitWhenIdle();
       } else {
         app_complete_callback_.Run();
       }
     }
   }
 }
 
 }  // namespace runner
 }  // namespace mojo