Use a direct include of the message_loop header in net/, part 1.

net/base/dns_reloader.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 "net/base/dns_reloader.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) && \
     !defined(OS_ANDROID)
 
 #include <resolv.h>
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_local_storage.h"
 #include "net/base/network_change_notifier.h"
 
 namespace {
 
 // On Linux/BSD, changes to /etc/resolv.conf can go unnoticed thus resulting
 // in DNS queries failing either because nameservers are unknown on startup
 // or because nameserver info has changed as a result of e.g. connecting to
 // a new network. Some distributions patch glibc to stat /etc/resolv.conf
@@ skipping 90 matching lines @@
 void DnsReloaderMaybeReload() {
   // This routine can be called by any of the DNS worker threads.
   DnsReloader* dns_reloader = g_dns_reloader.Pointer();
   dns_reloader->MaybeReload();
 }
 
 }  // namespace net
 
 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) &&
         // !defined(OS_ANDROID)