GitLab

Create new method which helps to move showing condition from
wizard_controller to dedicated screen classes.

Bug: 1064561
Change-Id: I6f48ff86b959b91f3330e6e4d7512ced5061186b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120500
Commit-Queue: Roman Aleksandrov <raleksandrov@google.com>
Reviewed-by: Denis Kuznetsov [CET] <antrim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756554}