Similar to https://bugs.webkit.org/show_bug.cgi?id=231968, I was not able to compile Webkit with ENABLE_SERVICE_WORKER=OFF. SWContextManager is only compiled if ENABLE_SERVICE_WORKER=ON.
Created attachment 462138 [details] SWContextManager is not compiled if SERVICE_WORKER=OFF.
Committed 254163@main (a91ffd1fa487): <https://commits.webkit.org/254163@main> Reviewed commits have been landed. Closing PR #4026 and removing active labels.
<rdar://problem/99569417>