James Teh 1a49b1e666 Bug 1760739 part 6: Add unified GroupPosition and TotalItemCount support for aria-row/colcount/index. r=eeejay
While this removes most of the local-specific code, we can't remove ARIARowAccessible::GroupPosition yet because it also calculates row index/count compensating for intervening Accessibles between tables and rows.
Eventually, we should fix that properly in AccGroupInfo, at which point we can remove this.

Differential Revision: https://phabricator.services.mozilla.com/D149225
2022-06-16 06:25:52 +00:00
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