PredictionCostCrossColor  927 third_party/libwebp/dsp/lossless.c     cur_diff = PredictionCostCrossColor(&accumulated_red_histo[0], &histo[0]);
PredictionCostCrossColor  958 third_party/libwebp/dsp/lossless.c           PredictionCostCrossColor(&accumulated_blue_histo[0], &histo[0]);