Use debug heap identifiers with some WTF types
<rdar://problem/105315621>
Pull request: https://github.com/WebKit/WebKit/pull/9971
Pull request: https://github.com/WebKit/WebKit/pull/10429
Committed 260626@main (ae84fa3c0e39): <https://commits.webkit.org/260626@main> Reviewed commits have been landed. Closing PR #10429 and removing active labels.