The misspelled enumerator DoNotAdjsutEndpoints caught my eye. Fix that + modernize EndPointsAdjustmentMode.
Created attachment 397876 [details] Patch
Comment on attachment 397876 [details] Patch Clearing flags on attachment: 397876 Committed r260855: <https://trac.webkit.org/changeset/260855>
All reviewed patches have been landed. Closing bug.
<rdar://problem/62556332>