AUDIO_TYPE_USB     30 ash/system/chromeos/audio/audio_detailed_view.cc     case chromeos::AUDIO_TYPE_USB:
AUDIO_TYPE_USB     35 ash/system/chromeos/audio/tray_audio_delegate_chromeos.cc   else if (device.type == chromeos::AUDIO_TYPE_USB)
AUDIO_TYPE_USB     21 chromeos/audio/audio_device.cc     case chromeos::AUDIO_TYPE_USB:
AUDIO_TYPE_USB     43 chromeos/audio/audio_device.cc     case chromeos::AUDIO_TYPE_USB:
AUDIO_TYPE_USB     67 chromeos/audio/audio_device.cc     return chromeos::AUDIO_TYPE_USB;