GitLab

Pull initialize_webui_hidden_ computation into a utility function.
This simplifies various IsUsingWindowService() checks for mash.

Bug: 143298, 756071
Change-Id: I538ea8597f2fd970dbd246a9ee184144a76462ca
Reviewed-on: https://chromium-review.googlesource.com/1189052Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586276}