Move media/audio files into media namespace (relanding)

media/audio/openbsd/audio_manager_openbsd.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/openbsd/audio_manager_openbsd.h"
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
 #include "media/audio/audio_output_dispatcher.h"
 #if defined(USE_PULSEAUDIO)
 #include "media/audio/pulse/pulse_output.h"
 #endif
 #include "media/base/limits.h"
 #include "media/base/media_switches.h"
 
 #include <fcntl.h>
 
+namespace media {
+
 // Maximum number of output streams that can be open simultaneously.
 static const int kMaxOutputStreams = 50;
 
 // Implementation of AudioManager.
 static bool HasAudioHardware() {
   int fd;
   const char *file;
 
   if ((file = getenv("AUDIOCTLDEVICE")) == 0 || *file == '\0')
     file = "/dev/audioctl";
@@ skipping 68 matching lines @@
 #endif
 
   NOTIMPLEMENTED();
   return NULL;
 }
 
 // static
 AudioManager* CreateAudioManager() {
   return new AudioManagerOpenBSD();
 }
+
+}  // namespace media