Add missing macros includes in media/.

media/audio/sounds/test_data.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_SOUNDS_TEST_DATA_H_
 #define MEDIA_AUDIO_SOUNDS_TEST_DATA_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "media/audio/sounds/audio_stream_handler.h"
 
 namespace base {
 class MessageLoop;
 }
 
 namespace media {
 
 const int kTestAudioKey = 1000;
 
@@ skipping 23 matching lines @@
   int num_play_requests_;
   int num_stop_requests_;
   int cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(TestObserver);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_SOUNDS_TEST_DATA_H_