Support contain-intrinsic-size:inherit.
Pull request: https://github.com/WebKit/WebKit/pull/15881
<rdar://problem/112409855>
Committed 266100@main (d95063630e9f): <https://commits.webkit.org/266100@main> Reviewed commits have been landed. Closing PR #15881 and removing active labels.
*** Bug 259237 has been marked as a duplicate of this bug. ***