There is a failing test case in the following test: LayoutTests/imported/w3c/web-platform-tests/shadow-dom/focus/click-focus-delegatesFocus-click.html
Pull request: https://github.com/WebKit/WebKit/pull/9791
Committed 259990@main (f26fd78b87fa): <https://commits.webkit.org/259990@main> Reviewed commits have been landed. Closing PR #9791 and removing active labels.
<rdar://problem/105159802>