The following layout reftests are failing on Mac 10.8
Dashboard link: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=fast%2Fregions%2Fautoheight-dynamic-update.html%2Cfast%2Fregions%2Ffirstletter-inside-flowthread.html%2Cfast%2Fregions%2Flistmarker-inside-flowthread.html
It looks like an anti-aliasing/sub-layout pixel difference in the ref tests. I will try to fix them today.
Created attachment 176830 [details]
Would it help to add *-webkit-font-smoothing: none;* for those cases where you are using Ahem font?
Comment on attachment 176830 [details]
Change seems OK, but commit queue won’t work since it updates the Chromium text expectations file which no longer exists.