I discovered a few existing issues with hit-testing/point-mapping while working on interop changes. Adding some new tests (that currently fail) to confirm that the interop changes also fix them.
<rdar://problem/102632565>
Pull request: https://github.com/WebKit/WebKit/pull/6769
Committed 257091@main (3eb1748df76d): <https://commits.webkit.org/257091@main> Reviewed commits have been landed. Closing PR #6769 and removing active labels.