Nested transforms inside columns don't work right. I wasn't clearing the pagination layers properly.
Created attachment 232131 [details]
Comment on attachment 232131 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=232131&action=review
> + * fast/multicol/pagination/nested-transforms.html: Added.
> + * platform/mac/fast/multicol/pagination/nested-transforms-expected.png: Added.
> + * platform/mac/fast/multicol/pagination/nested-transforms-expected.txt: Added.
Can't this be a ref test?
Landed in r169390.