Add better logging for when the view visibility state changes.
Created attachment 379166 [details] Patch
Comment on attachment 379166 [details] Patch r=me
Comment on attachment 379166 [details] Patch Clearing flags on attachment: 379166 Committed r250111: <https://trac.webkit.org/changeset/250111>
All reviewed patches have been landed. Closing bug.
<rdar://problem/55541227>