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

media/audio/virtual_audio_input_stream.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 "media/audio/virtual_audio_input_stream.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "media/audio/virtual_audio_output_stream.h"
 
 namespace media {
 
 // LoopbackAudioConverter works similar to AudioConverter and converts input
 // streams to different audio parameters. Then, the LoopbackAudioConverter can
 // be used as an input to another AudioConverter. This allows us to
 // use converted audio from AudioOutputStreams as input to an AudioConverter.
 // For example, this allows converting multiple streams into a common format and
@@ skipping 157 matching lines @@
   return 1.0;
 }
 
 void VirtualAudioInputStream::SetAutomaticGainControl(bool enabled) {}
 
 bool VirtualAudioInputStream::GetAutomaticGainControl() {
   return false;
 }
 
 }  // namespace media