VP8LevelCost      354 third_party/libwebp/enc/frame.c     cost += VP8LevelCost(t, v);
VP8LevelCost      363 third_party/libwebp/enc/frame.c     cost += VP8LevelCost(t, v);
VP8LevelCost      641 third_party/libwebp/enc/quant.c         base_cost = prev->cost + VP8LevelCost(tcost, level);