GitLab

Make the PIN input field on the login screen read only
during an authentication attempt.

Correctly focus the PIN input field when the login screen
is shown.

Bug: 663982, 1122694
Change-Id: Ib7f25e190281ce78ca9e33d19c06e4e574c7ef6f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2379772Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Commit-Queue: Renato Silva <rrsilva@google.com>
Cr-Commit-Position: refs/heads/master@{#802646}