GitLab

For browser settings add the "Subpage button" role description to
<cr-link-row>'s to clarify the button's action to the user.

Fixed: 1012105
Change-Id: Ic5836c656adf119ea3da0ae3d1319ee7e2cafe8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2485036Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Gavin Williams <gavinwill@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818560}