A notificationPredicate is required for scrollbars whose corresponding scrollview is not the first nested scrollview beneath them (see image below for an example where thenotificationPredicate is needed). DevTools wasn't using notificationPredicate before #3262. We should check to see if it's needed anywhere else.
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notificationPredicateis required for scrollbars whose corresponding scrollview is not the first nested scrollview beneath them (see image below for an example where thenotificationPredicateis needed). DevTools wasn't usingnotificationPredicatebefore #3262. We should check to see if it's needed anywhere else.