The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f56253b18299156a8dc94258438cf16a48ee5fc2

commit f56253b18299156a8dc94258438cf16a48ee5fc2
Author: Patrick Monette <pmonette@chromium.org>
Date: Wed Mar 21 16:15:38 2018

[3p-Conflicts] Fix accessibility issue in WebUI page

Make the list title a heading level 2

Bug:  820466 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Ibc910786a94163da186671bc247670cb6d6a5d53
Reviewed-on: https://chromium-review.googlesource.com/964944
Reviewed-by: Hector Carmona <hcarmona@chromium.org>
Commit-Queue: Patrick Monette <pmonette@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544725}
[modify] https://crrev.com/f56253b18299156a8dc94258438cf16a48ee5fc2/chrome/browser/resources/settings/incompatible_applications_page/incompatible_applications_page.html