[LBSE] Add RenderObject::isSVGRootOrLegacySVGRoot() helper
Created attachment 446029 [details] Patch, v1
Created attachment 446030 [details] Patch, v2
Comment on attachment 446030 [details] Patch, v2 You could add "No change in behaviour".
Committed r286542 (244874@main): <https://commits.webkit.org/244874@main>
<rdar://problem/86101286>