GitLab

Prevents navigations to media URLs (like an mp4 or jpg) from triggering
HTTPS Server Previews. This blacklist is a comma separated string that
is controlled via field trial.

Bug: 864637
Change-Id: Iff545d975c8c17aa433a95f57d8a01d86cf73279
Reviewed-on: https://chromium-review.googlesource.com/1187200Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585598}