When enabling live range selection, platform/win/editing/selection/shift-page-up-down.html fails.
Pull request: https://github.com/WebKit/WebKit/pull/7931
Committed 258180@main (14bdc8828460): <https://commits.webkit.org/258180@main> Reviewed commits have been landed. Closing PR #7931 and removing active labels.
<rdar://problem/103584857>