Apparently continuously polling on requestAnimationFrame isn't great for battery life :(
Created attachment 283247 [details] Fixes the bug
Created attachment 283248 [details] Use Set for render queue
Comment on attachment 283248 [details] Use Set for render queue rs=me
Comment on attachment 283248 [details] Use Set for render queue Clearing flags on attachment: 283248 Committed r203035: <http://trac.webkit.org/changeset/203035>
All reviewed patches have been landed. Closing bug.