StyleRareNonInheritedData needs some tidying.
<rdar://problem/105060445>
Created attachment 464853 [details] Patch
Created attachment 464854 [details] Patch
Size goes down from 680 to 664 bytes.
Created attachment 464868 [details] Patch
Committed 259911@main (526be3b317c9): <https://commits.webkit.org/259911@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 464868 [details].