RD_OPT_NONE       800 third_party/libwebp/enc/frame.c       (method >= 3 || do_search) ? RD_OPT_BASIC : RD_OPT_NONE;
RD_OPT_NONE      1135 third_party/libwebp/enc/quant.c   if (rd_opt > RD_OPT_NONE) {
RD_OPT_NONE       125 third_party/libwebp/enc/webpenc.c                      : RD_OPT_NONE;