GitLab

This change implements highlighting the username and password field that
are about to be filled in by Touch To Fill.

Bug: 1013182
Change-Id: I778dddef757641aede49c682e83da69606313dbc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1859979Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705906}