Prewarmed WebContent processes never app nap.
Created attachment 369173 [details] Patch
Comment on attachment 369173 [details] Patch r=me
Comment on attachment 369173 [details] Patch Clearing flags on attachment: 369173 Committed r244984: <https://trac.webkit.org/changeset/244984>
All reviewed patches have been landed. Closing bug.
<rdar://problem/50517091>