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

chromeos/network/network_sms_handler_unittest.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/network/network_sms_handler.h"
 
 #include <set>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/shill_device_client.h"
 #include "chromeos/dbus/shill_manager_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 namespace {
@@ skipping 80 matching lines @@
 
   // Test for messages delivered by signals.
   test_observer->ClearMessages();
   sms_handler->RequestUpdate();
   message_loop_.RunUntilIdle();
   EXPECT_GE(test_observer->message_count(), 1);
   EXPECT_NE(messages.find(kMessage1), messages.end());
 }
 
 }  // namespace chromeos