The functionality is now directly available in the QCocoaWindow platform
interface, instead of going through the indirection of the platform headers
and native interface.
Task-number: QTBUG-84220
Change-Id: Ifc48263c83806705b44364f7727d317847737ab4
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>