Move media/audio files into media namespace

media/audio/mac/audio_output_mac.cc

 // Copyright (c) 2012 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.
 
 #include "media/audio/mac/audio_output_mac.h"
 
 #include <CoreServices/CoreServices.h>
 
 #include "base/basictypes.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/audio/audio_util.h"
 #include "media/audio/mac/audio_manager_mac.h"
 
+namespace media {
+
 // A custom data structure to store information an AudioQueue buffer.
 struct AudioQueueUserData {
   AudioQueueUserData() : empty_buffer(false) {}
   bool empty_buffer;
 };
 
 // Overview of operation:
 // 1) An object of PCMQueueOutAudioOutputStream is created by the AudioManager
 // factory: audio_man->MakeAudioStream(). This just fills some structure.
 // 2) Next some thread will call Open(), at that point the underliying OS
@@ skipping 494 matching lines @@
 void PCMQueueOutAudioOutputStream::SetSource(AudioSourceCallback* source) {
   base::AutoLock lock(source_lock_);
   source_ = source;
 }
 
 AudioOutputStream::AudioSourceCallback*
 PCMQueueOutAudioOutputStream::GetSource() {
   base::AutoLock lock(source_lock_);
   return source_;
 }
+
+}  // namespace media