The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e290052a0c11f6c671c473306061c383eea0b104

commit e290052a0c11f6c671c473306061c383eea0b104
Author: Christopher Thompson <cthomp@chromium.org>
Date: Fri Mar 09 04:03:42 2018

Add SimplifyHttpsIndicator testing config

This adds a field trial testing config for the SimplifyHttpsIndicator
experiment (https://crbug.com/803138), using a default of the
EV-to-Secure variation.

Bug:  803501 
Change-Id: I7bc008d9c9a447d69ce9038f4ef06872407cff43
Reviewed-on: https://chromium-review.googlesource.com/956354
Commit-Queue: Christopher Thompson <cthomp@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542016}
[modify] https://crrev.com/e290052a0c11f6c671c473306061c383eea0b104/testing/variations/fieldtrial_testing_config.json

The eng work for the study has all landed for M66, so closing this tracking issue.