We only expose AXPropertyName::ARIATreeRows for isTree() objects, but compute it for every object, which is wasteful.
<rdar://problem/89254349>
Created attachment 452768 [details] Patch
Committed r290310 (247633@main): <https://commits.webkit.org/247633@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 452768 [details].