It's currently owned by the NativeImage container, but the surface can be alive after the container destruction.
Pull request: https://github.com/WebKit/WebKit/pull/19336
Committed 269618@main (504426c31861): <https://commits.webkit.org/269618@main> Reviewed commits have been landed. Closing PR #19336 and removing active labels.
<rdar://problem/117294945>