Move complex and simple line layout structures into a Variant to avoid wasting memory and to allow easy expansion with LFC path.
Created attachment 384314 [details] patch
Comment on attachment 384314 [details] patch Clearing flags on attachment: 384314 Committed r252868: <https://trac.webkit.org/changeset/252868>
All reviewed patches have been landed. Closing bug.
<rdar://problem/57478567>