Clear WorkerCacheStorageConnection callbacks on WorkerGlobalScope termination
<rdar://problem/47885603>
Created attachment 366563 [details] Patch
Created attachment 366606 [details] Fixing Win
Comment on attachment 366606 [details] Fixing Win Clearing flags on attachment: 366606 Committed r243812: <https://trac.webkit.org/changeset/243812>
All reviewed patches have been landed. Closing bug.