Turn on Shared Workers by default on WebKit2.
Created attachment 451424 [details] Patch
Comment on attachment 451424 [details] Patch r=me
Committed r289509 (247043@main): <https://commits.webkit.org/247043@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 451424 [details].
<rdar://problem/88724017>