VibrationActuator should stop vibrating when its document becomes hidden: - https://w3c.github.io/gamepad/extensions.html#gamepadhapticactuator-interface (Page Visibility section)
Pull request: https://github.com/WebKit/WebKit/pull/8497
Committed 258802@main (6d29a35a2b0d): <https://commits.webkit.org/258802@main> Reviewed commits have been landed. Closing PR #8497 and removing active labels.
<rdar://problem/104137097>