VideoFacingMode    23 content/common/media/media_stream_messages.h IPC_ENUM_TRAITS_MAX_VALUE(content::VideoFacingMode,
VideoFacingMode   112 content/public/common/media_stream_request.h   VideoFacingMode video_facing;
VideoFacingMode   257 content/renderer/media/media_stream_center.cc     blink::WebSourceInfo::VideoFacingMode video_facing;