Now that we have removed the abandoned CSSDeferredParser implementation, we can simplify the StyleProperties hierarchy by removing the StylePropertiesBase class.
Created attachment 459125 [details] Patch
Committed r294016 (250450@main): <https://commits.webkit.org/250450@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 459125 [details].
<rdar://problem/93053816>