[core-aam PR 230] Update aria-labelledby AXAPI mapping to use AXTitle

[pkra]

Copies w3c/core-aam#230 by @rahimabdi

Closes w3c/core-aam#215

[spectranaut]

Include co-author when merging.

[spectranaut]

Hi Rahim, this PRs has been moved, so please continue the work here :)

I have a few questions/comments for you:

1. This looks good, but from the issue, it looks like aria-label is updated to AXTitle as well, where you doing that in a separate PR? Seems to me like it could be done here as well.
2. Can you confirm whether there will need to be a change in firefox and chrome? Seems like it! if so we need to track those implementations.

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[rahimabdi]

Hello @spectranaut!

1. This looks good, but from the issue, it looks like aria-label is updated to AXTitle as well, where you doing that in a separate PR? Seems to me like it could be done here as well.

Agreed (thank you), I've updated the PR to include both aria-label/aria-labelledby.

2. Can you confirm whether there will need to be a change in firefox and chrome? Seems like it! if so we need to track those implementations.

No change is required for implementations, so related API tests should be crafted to allow either attribute. Although AXTitle is now the recommended AXAPI mapping for aria-label/aria-labelledby, engines may still use the legacy AXDescription attribute. James and I do not believe the older alternative needs to be documented by an evergreen spec.