Making it part of the Image was wrong. For now it makes sense only to be part of PDFDocumentImage. It can't be part BitmapImage since BitmapImage can display multiple NativeImages. So in future patches, it will be made also part of the NativeImage.
<rdar://problem/105351788>
Pull request: https://github.com/WebKit/WebKit/pull/9994
*** Bug 252194 has been marked as a duplicate of this bug. ***
Committed 260236@main (6f7d211e4d86): <https://commits.webkit.org/260236@main> Reviewed commits have been landed. Closing PR #9994 and removing active labels.