WebCore::IOSurface has WebCore::GraphicsContext as its property, it should be the other way around
Created attachment 459350 [details] Patch
Created attachment 459377 [details] For landing
Committed r294215 (250573@main): <https://commits.webkit.org/250573@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 459377 [details].
<rdar://problem/93308682>
Re-opened since this is blocked by bug 240645