GitLab

This should prevent DCHECKs in wizard_controller on multiple button
presses.

Fixed: 1069240
Change-Id: Iffc71c7bf0f602ce4d3bf84ff5176afc99b49be2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2144150Reviewed-by: Roman Aleksandrov <raleksandrov@google.com>
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759200}