Add missing macros includes in media/.

media/audio/agc_audio_stream.h

 // 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.
 
 #ifndef MEDIA_AUDIO_AGC_AUDIO_STREAM_H_
 #define MEDIA_AUDIO_AGC_AUDIO_STREAM_H_
 
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/timer.h"
 #include "media/audio/audio_io.h"
 
 // The template based AgcAudioStream implements platform-independent parts
 // of the AudioInterface interface. Supported interfaces to pass as
 // AudioInterface are AudioIntputStream and AudioOutputStream. Each platform-
 // dependent implementation should derive from this class.
@@ skipping 177 matching lines @@
 
   // Protects |normalized_volume_| .
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(AgcAudioStream<AudioInterface>);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AGC_AUDIO_STREAM_H_