Make [WebAccessibilityObjectWrapperBase axBackingObject] return the appropriate underlying object for the calling thread.
<rdar://problem/87358177>
Created attachment 448795 [details] Patch
Committed r287880 (245924@main): <https://commits.webkit.org/245924@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448795 [details].
*** Bug 234985 has been marked as a duplicate of this bug. ***