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

remoting/host/video_scheduler_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 "remoting/host/video_scheduler.h"
 
 #include "base/bind.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/codec/video_encoder.h"
 #include "remoting/proto/video.pb.h"
 #include "remoting/protocol/protocol_mock_objects.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
 #include "third_party/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h"
 
@@ skipping 163 matching lines @@
       .RetiresOnSaturation();
 
   // Start video frame capture.
   StartVideoScheduler(capturer.PassAs<webrtc::ScreenCapturer>());
 
   task_runner_ = NULL;
   run_loop_.Run();
 }
 
 }  // namespace remoting