Before this change, we were just hoping that the requests are responded to in the same order that the queries were sent. Quite fragile, and when things go wrong sometimes we try to call a null CompletionHandler. This makes it more robust.
<rdar://problem/100894959>
Pull request: https://github.com/WebKit/WebKit/pull/5984
Committed 256298@main (0310eb3e5fd3): <https://commits.webkit.org/256298@main> Reviewed commits have been landed. Closing PR #5984 and removing active labels.