This is an umbrella bug for implementing Page Visibility API in webkit.
Created attachment 94693 [details] Patch
Should we mark this fix or are there outstanding issues still? Maybe we should just file bugs for each port to enable it?
<rdar://problem/10287508>
(In reply to comment #2) > Should we mark this fix or are there outstanding issues still? Maybe we should just file bugs for each port to enable it? I think we should mark this as fixed as nobody has commented otherwise and the implementation is in. https://bugs.webkit.org/show_bug.cgi?id=102340 covers unprefixing the implementation.