Use a direct include of the message_loop header in chromeos/.

chromeos/memory/low_memory_listener.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 "chromeos/memory/low_memory_listener.h"
 
 #include <fcntl.h>
 
 #include "base/bind.h"
 #include "base/chromeos/chromeos_version.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chromeos/memory/low_memory_listener_delegate.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/zygote_host_linux.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 
@@ skipping 166 matching lines @@
       base::Bind(&LowMemoryListenerImpl::StopObservingOnFileThread,
                  observer_.get()));
 }
 
 void LowMemoryListener::OnMemoryLow() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   delegate_->OnMemoryLow();
 }
 
 }  // namespace chromeos