Add AXTextMarkerRangeForNSRange attribute so that Mac clients can access this functionality.
<rdar://problem/74793445>
Created attachment 421663 [details] Patch
Created attachment 421666 [details] Patch
Committed r273583: <https://commits.webkit.org/r273583> All reviewed patches have been landed. Closing bug and clearing flags on attachment 421666 [details].