Refactor the "All CoreIPC types" variant to work forward-delcared
Pull request: https://github.com/WebKit/WebKit/pull/20732
Committed 270978@main (bee110f477b9): <https://commits.webkit.org/270978@main> Reviewed commits have been landed. Closing PR #20732 and removing active labels.
<rdar://problem/118654375>