The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/695c43e43274f8f740d6d635ce147879e5816cc1

commit 695c43e43274f8f740d6d635ce147879e5816cc1
Author: Balazs Engedy <engedy@chromium.org>
Date: Mon Sep 24 18:42:53 2018

Change WebAuthn UX welcome and error illustrations.

Bug:  887404 
Change-Id: Ice13eb0166da5590170e7cc7d152d58ee64f0248
Reviewed-on: https://chromium-review.googlesource.com/1235938
Reviewed-by: Jun Choi <hongjunchoi@chromium.org>
Commit-Queue: Balazs Engedy <engedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593611}
[modify] https://crrev.com/695c43e43274f8f740d6d635ce147879e5816cc1/chrome/app/theme/default_100_percent/common/webauthn/error.png
[modify] https://crrev.com/695c43e43274f8f740d6d635ce147879e5816cc1/chrome/app/theme/default_100_percent/common/webauthn/welcome.png
[modify] https://crrev.com/695c43e43274f8f740d6d635ce147879e5816cc1/chrome/app/theme/default_200_percent/common/webauthn/error.png
[modify] https://crrev.com/695c43e43274f8f740d6d635ce147879e5816cc1/chrome/app/theme/default_200_percent/common/webauthn/welcome.png