Add missing macros includes in media/.

media/audio/cras/audio_manager_cras.h

 // Copyright 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.
 
 #ifndef MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_
 #define MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_
 
 #include <cras_types.h>
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "media/audio/audio_manager_base.h"
 
 namespace media {
 
 class MEDIA_EXPORT AudioManagerCras : public AudioManagerBase {
  public:
   AudioManagerCras(AudioLogFactory* audio_log_factory);
 
   // AudioManager implementation.
@@ skipping 42 matching lines @@
 
   const char* beamforming_on_device_id_;
   const char* beamforming_off_device_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerCras);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_