this would allow developers to be able to create breakpoints for `mouse*` instead of having to have separate ones for `mousedown` and `mouseup` and etc. (which would also require duplicating any actions and whatnot)
Pull request: https://github.com/WebKit/WebKit/pull/5038
Committed 255196@main (fcd2b36fa9f9): <https://commits.webkit.org/255196@main>
Reviewed commits have been landed. Closing PR #5038 and removing active labels.