GitLab

Add fieldtrial entry for safety check on iOS for experimenting in
Beta.

Bug: 1078782
Change-Id: I9be9b7e8f5d3d65edfe9a386f83433d054793247
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2498545Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Commit-Queue: Sean Harrison <harrisonsean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821220}