GitLab

Enable AutofillPreventMixedFormsFilling and
InsecureFormSubmissionInterstitial in preparation for 100% launch.

Bug: 1105210
Change-Id: Id6d4325ee8d0fb27f109b45d3654c56e5d653688
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2583141
Commit-Queue: Dominic Battré <battre@chromium.org>
Auto-Submit: Carlos IL <carlosil@chromium.org>
Reviewed-by: Dominic Battré <battre@chromium.org>
Reviewed-by: Emily Stark <estark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836057}