Keep the other two font attributes which are relevant, FontSize and VisibleName.
<rdar://problem/108949862>
Created attachment 466224 [details] Patch
Created attachment 466973 [details] Patch
Committed 265859@main (cb37d350648c): <https://commits.webkit.org/265859@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 466973 [details].