AppKit crashes if [NSCell drawWithFrame] is called out of the main thread with a non-nil NSView. And this is why a hack was added to WebControlWindow to silence this crash in 257981@main. To fix the crash and to remove the hack, a nil NSView will be passed to [NSCell drawWithFrame] instead of passing the fake one. 

To provide the [NSCell drawWithFrame] with the settings that it used to get from the fake NSView, new AppKit SPIs will be used to explicitly set them from the drawing. An NSCell can be drawn without an NSView only if these SPIs are available.