Move media/audio files into media namespace (relanding)

media/audio/mac/audio_low_latency_input_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_low_latency_input_mac.h"
 
 #include <CoreServices/CoreServices.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/mac/mac_logging.h"
 #include "media/audio/audio_util.h"
 #include "media/audio/mac/audio_manager_mac.h"
 
+namespace media {
+
 static const int kMinIntervalBetweenVolumeUpdatesMs = 1000;
 
 static std::ostream& operator<<(std::ostream& os,
                                 const AudioStreamBasicDescription& format) {
   os << "sample rate       : " << format.mSampleRate << std::endl
      << "format ID         : " << format.mFormatID << std::endl
      << "format flags      : " << format.mFormatFlags << std::endl
      << "bytes per packet  : " << format.mBytesPerPacket << std::endl
      << "frames per packet : " << format.mFramesPerPacket << std::endl
      << "bytes per frame   : " << format.mBytesPerFrame << std::endl
@@ skipping 572 matching lines @@
   AudioObjectPropertyAddress property_address = {
     kAudioDevicePropertyVolumeScalar,
     kAudioDevicePropertyScopeInput,
     static_cast<UInt32>(channel)
   };
   OSStatus result = AudioObjectIsPropertySettable(input_device_id_,
                                                   &property_address,
                                                   &is_settable);
   return (result == noErr) ? is_settable : false;
 }
+
+}  // namespace media