Move media/audio files into media namespace

media/audio/win/wavein_input_win.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/win/wavein_input_win.h"
 
 #pragma comment(lib, "winmm.lib")
 
 #include "base/logging.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_util.h"
 #include "media/audio/win/audio_manager_win.h"
 #include "media/audio/win/device_enumeration_win.h"
 
 namespace {
 const int kStopInputStreamCallbackTimeout = 3000;  // Three seconds.
 }
 
-using media::AudioDeviceNames;
+namespace media {
 
 // 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.
 static WAVEHDR* GetNextBuffer(WAVEHDR* current) {
   return reinterpret_cast<WAVEHDR*>(current->dwUser);
 }
 
 PCMWaveInAudioInputStream::PCMWaveInAudioInputStream(
     AudioManagerWin* manager, const AudioParameters& params, int num_buffers,
     const std::string& device_id)
@@ skipping 260 matching lines @@
       // waveInPrepareHeader.
       obj->QueueNextPacket(buffer);
     }
   } else if (msg == WIM_CLOSE) {
     // We can be closed before calling Start, so it is possible to have a
     // null callback at this point.
     if (obj->callback_)
       obj->callback_->OnClose(obj);
   }
 }
+
+}  // namespace media