[Nicosia] Add debug border, repaint counter state tracking to Nicosia::CompositionLayer
Created attachment 345228 [details] Patch
Comment on attachment 345228 [details] Patch Clearing flags on attachment: 345228 Committed r233910: <https://trac.webkit.org/changeset/233910>
All reviewed patches have been landed. Closing bug.
<rdar://problem/42328136>