GitLab

Orca would like to use this text attribute to detect when text is
expressed with a superscript or subscript. This matches the behavior of
Firefox's ATK support.

Bug: 1014198
Change-Id: I034437426252ca54774e0cef2aca8442eb72f3c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1862439
Commit-Queue: Dominic Mazzoni <dmazzoni@chromium.org>
Reviewed-by: Joanmarie Diggs <jdiggs@igalia.com>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707872}