Following up on Bug 248566, every Fetch request has an |initiator| [0]. Let's add a partial implementation that we can use in Bug 247197. [0] https://fetch.spec.whatwg.org/#concept-request-initiator
<rdar://problem/102872475>
Pull request: https://github.com/webkit/WebKit/pull/7076
Committed 258343@main (f2cf9958d49b): <https://commits.webkit.org/258343@main> Reviewed commits have been landed. Closing PR #7076 and removing active labels.