Generalize container query parsing and evaluation code so it can be used for media queries too.
Created attachment 461523 [details] Patch
Created attachment 461527 [details] Patch
Created attachment 461528 [details] Patch
Created attachment 461529 [details] Patch
Committed 253298@main (e923d76d5954): <https://commits.webkit.org/253298@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 461529 [details].
<rdar://problem/98457034>