Revert 130180 - Move media/audio files into media namespace

media/audio/linux/alsa_output.cc

Index: media/audio/linux/alsa_output.cc
===================================================================
--- media/audio/linux/alsa_output.cc	(revision 130181)
+++ media/audio/linux/alsa_output.cc	(working copy)
@@ -49,8 +49,6 @@
 #include "media/base/data_buffer.h"
 #include "media/base/seekable_buffer.h"
 
-namespace media {
-
 // Amount of time to wait if we've exhausted the data source.  This is to avoid
 // busy looping.
 static const uint32 kNoDataSleepMilliseconds = 10;
@@ -799,5 +797,3 @@
   DCHECK(IsOnAudioThread());
   source_callback_ = callback;
 }
-
-}  // namespace media