VP8_ENC_ERROR_USER_ABORT 1103 third_party/libwebp/enc/vp8l.c     err = VP8_ENC_ERROR_USER_ABORT;
VP8_ENC_ERROR_USER_ABORT  328 third_party/libwebp/enc/webpenc.c       WebPEncodingSetError(pic, VP8_ENC_ERROR_USER_ABORT);