GitLab

1. For UnsafelyTreatInsecureOriginAsSecure there is a typo
in the policy_test_cases.json file: s/securex/secure/.
2. For SecurityKeyPermitAttestation the policy mapping was incorrectly
put in a ifdef that excluded mac which makes it fail on mac.

BUG=none

Change-Id: I5f0f3b289452bf86fc66f0396cb13f82c8dcea5e
Reviewed-on: https://chromium-review.googlesource.com/804314
Commit-Queue: Avi Drissman <avi@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521079}