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

chromeos/dbus/shill_service_client_stub.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 "chromeos/dbus/shill_service_client_stub.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/shill_manager_client.h"
 #include "chromeos/dbus/shill_property_changed_observer.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
 #include "dbus/object_proxy.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
@@ skipping 463 matching lines @@
   std::map<dbus::ObjectPath, PropertyObserverList*>::iterator iter =
       observer_list_.find(device_path);
   if (iter != observer_list_.end())
     return *(iter->second);
   PropertyObserverList* observer_list = new PropertyObserverList();
   observer_list_[device_path] = observer_list;
   return *observer_list;
 }
 
 }  // namespace chromeos