BackendDispatcher::CallbackBase should have a virtual destructor since it has a bunch of subclasses.
Pull request: https://github.com/WebKit/WebKit/pull/28828
Committed 279071@main (74af740dd35f): <https://commits.webkit.org/279071@main> Reviewed commits have been landed. Closing PR #28828 and removing active labels.
<rdar://problem/128484982>