Drop code path using the legacy CFNetwork cookie change notification SPI.
Created attachment 398432 [details] Patch
Comment on attachment 398432 [details] Patch r=me Holding of cq to see what EWS has to say.
Committed r261130: <https://trac.webkit.org/changeset/261130> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398432 [details].
<rdar://problem/62869148>
Reverted r261130 for reason: Caused crashes on some of our bots Committed r261171: <https://trac.webkit.org/changeset/261171>
Created attachment 398528 [details] Patch
Committed r261188: <https://trac.webkit.org/changeset/261188> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398528 [details].