IS_BETTER_ALPHA   253 third_party/libwebp/enc/analysis.c     if (IS_BETTER_ALPHA(alpha, best_alpha)) {
IS_BETTER_ALPHA   287 third_party/libwebp/enc/analysis.c       if (IS_BETTER_ALPHA(alpha, best_mode_alpha)) {
IS_BETTER_ALPHA   299 third_party/libwebp/enc/analysis.c   if (IS_BETTER_ALPHA(i4_alpha, best_alpha)) {
IS_BETTER_ALPHA   321 third_party/libwebp/enc/analysis.c     if (IS_BETTER_ALPHA(alpha, best_alpha)) {