Revert 130180 - Move media/audio files into media namespace

media/audio/simple_sources.cc

Index: media/audio/simple_sources.cc
===================================================================
--- media/audio/simple_sources.cc	(revision 130181)
+++ media/audio/simple_sources.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -13,8 +13,6 @@
 #include "media/audio/audio_io.h"
 #include "media/base/data_buffer.h"
 
-namespace media {
-
 //////////////////////////////////////////////////////////////////////////////
 // SineWaveAudioSource implementation.
 
@@ -98,5 +96,3 @@
 void PushSource::CleanUp() {
   buffer_.Clear();
 }
-
-}  // namespace media