The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2ab0fae22e92732423600bf24b1263ec9afea6e1

commit 2ab0fae22e92732423600bf24b1263ec9afea6e1
Author: Aga Wronska <agawronska@chromium.org>
Date: Fri Sep 21 15:42:18 2018

Add test helper for demo mode autotests.

Bug: 870049
Change-Id: Ib5927fd6a095ae5c60bea0eddbef70cb2060f4ba
Reviewed-on: https://chromium-review.googlesource.com/1192583
Commit-Queue: Aga Wronska <agawronska@chromium.org>
Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593198}
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/chromeos/login/demo_mode/demo_setup_browsertest.cc
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/chromeos/login/wizard_controller.cc
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/chromeos/login/wizard_controller.h
[add] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/resources/chromeos/login/demo_mode_test_helper.js
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/resources/chromeos/login/oobe.js
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
[modify] https://crrev.com/2ab0fae22e92732423600bf24b1263ec9afea6e1/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.h