Start connecting SharedWorker to the WebKit2 layer with a provider / connection, similarly to what is done for service workers. Also skip all the SharedWorker tests on WebKit1 since the short-term plan is to support them in WebKit2 only.
Created attachment 450725 [details] Patch
Created attachment 450726 [details] Patch
Created attachment 450733 [details] Patch
Committed r289054 (246761@main): <https://commits.webkit.org/246761@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 450733 [details].
<rdar://problem/88434057>