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

net/tools/quic/synchronous_host_resolver.cc

 // Copyright (c) 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 "net/tools/quic/synchronous_host_resolver.h"
 
 #include "base/at_exit.h"
 #include "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 71 matching lines @@
   host_ = host;
   addresses_ = addresses;
   this->Start();
   this->Join();
   return rv_;
 }
 
 void ResolverThread::OnResolutionComplete(int rv) {
   rv_ = rv;
   base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::MessageLoop::QuitClosure());
+      FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
 }
 
 }  // namespace
 
 // static
 int SynchronousHostResolver::Resolve(const std::string& host,
                                      AddressList* addresses) {
   ResolverThread resolver;
   return resolver.Resolve(host, addresses);
 }
 
 }  // namespace tools
 }  // namespace net