Revert 130180 - Move media/audio files into media namespace

media/audio/fake_audio_input_stream.h

Index: media/audio/fake_audio_input_stream.h
===================================================================
--- media/audio/fake_audio_input_stream.h	(revision 130181)
+++ media/audio/fake_audio_input_stream.h	(working copy)
@@ -13,11 +13,9 @@
 #include "base/threading/thread.h"
 #include "base/time.h"
 #include "media/audio/audio_io.h"
+#include "media/audio/audio_parameters.h"
 
-namespace media {
-
 class AudioManagerBase;
-class AudioParameters;
 
 class MEDIA_EXPORT FakeAudioInputStream
     : public AudioInputStream {
@@ -54,6 +52,4 @@
   DISALLOW_COPY_AND_ASSIGN(FakeAudioInputStream);
 };
 
-}  // namespace media
-
 #endif  // MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_