GitLab

Per https://w3c.github.io/html-aam/#el-mark, update the
LocalizedControlType of <mark> from "text" to "highlight".

Bug: 996459
Change-Id: I5f435988e16663df295cd195f3de6d97aab0dd70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762581
Commit-Queue: Dan Clark <daniec@microsoft.com>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Kevin Babbitt <kbabbitt@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#699887}