Make the rendering-specific subset of changes required for 3d transforms interop (not including hit-testing and point-mapping).
<rdar://problem/102632581>
Pull request: https://github.com/WebKit/WebKit/pull/6770
Committed 257190@main (1ad0e15b4512): <https://commits.webkit.org/257190@main> Reviewed commits have been landed. Closing PR #6770 and removing active labels.
*** Bug 250919 has been marked as a duplicate of this bug. ***
*** Bug 251305 has been marked as a duplicate of this bug. ***