The baseline-position syntax has changed recently, so we need to update the Content-Distribution (align-content and justify-content) CSS properties using the old syntax. https://drafts.csswg.org/css-align-3/#baseline-values
Created attachment 305816 [details] Patch
Comment on attachment 305816 [details] Patch r=me
Comment on attachment 305816 [details] Patch Clearing flags on attachment: 305816 Committed r214624: <http://trac.webkit.org/changeset/214624>
All reviewed patches have been landed. Closing bug.