Revert 130180 - Move media/audio files into media namespace

media/audio/win/wavein_input_win.cc

Index: media/audio/win/wavein_input_win.cc
===================================================================
--- media/audio/win/wavein_input_win.cc	(revision 130181)
+++ media/audio/win/wavein_input_win.cc	(working copy)
@@ -16,7 +16,7 @@
 const int kStopInputStreamCallbackTimeout = 3000;  // Three seconds.
 }
 
-namespace media {
+using media::AudioDeviceNames;
 
 // Our sound buffers are allocated once and kept in a linked list using the
 // the WAVEHDR::dwUser variable. The last buffer points to the first buffer.
@@ -297,5 +297,3 @@
       obj->callback_->OnClose(obj);
   }
 }
-
-}  // namespace media