The active tab sometimes app naps even though it should not.
<rdar://problem/48460054>
Created attachment 369579 [details] Patch
Comment on attachment 369579 [details] Patch r=me
Comment on attachment 369579 [details] Patch Clearing flags on attachment: 369579 Committed r245187: <https://trac.webkit.org/changeset/245187>
All reviewed patches have been landed. Closing bug.