Update CSS safe area padding to use env() instead of constant().
Created attachment 326766 [details] Patch
Created attachment 326767 [details] Patch
Comment on attachment 326767 [details] Patch Clearing flags on attachment: 326767 Committed r224774: <https://trac.webkit.org/changeset/224774>
All reviewed patches have been landed. Closing bug.
<rdar://problem/35562292>