vpx_codec_ctx_t    11 remoting/codec/scoped_vpx_codec.h typedef struct vpx_codec_ctx vpx_codec_ctx_t;
vpx_codec_ctx_t    20 remoting/codec/scoped_vpx_codec.h typedef scoped_ptr<vpx_codec_ctx_t, VpxCodecDeleter> ScopedVpxCodec;