Migrate some WebSWClientConnection messages to async replies
Created attachment 445400 [details] Patch
Created attachment 445402 [details] Patch
Comment on attachment 445402 [details] Patch r=me
Committed r286301 (244660@main): <https://commits.webkit.org/244660@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 445402 [details].
<rdar://problem/85867063>