VP8GetCostUV     1023 third_party/libwebp/enc/quant.c     rd_uv.R  = VP8GetCostUV(it, &rd_uv);
VP8GetCostUV      507 third_party/libwebp/enc/vp8enci.h int VP8GetCostUV(VP8EncIterator* const it, const VP8ModeScore* const rd);