GitLab

Improve padding mechanism in LoginAuthUserView and
add smart card option to login screen debug tool.

Remove an extra container that used to host the password
view and replace it with a fade animation for the
smart card view.

Bug: 1075994
Change-Id: I102a39a327e05935b67a8f8bfec53e9271cb4285
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2343110Reviewed-by: Denis Kuznetsov [CET] <antrim@chromium.org>
Commit-Queue: Renato Silva <rrsilva@google.com>
Cr-Commit-Position: refs/heads/master@{#797180}