GitLab

This removes the setting entirely since it's always true in production.
Once we stop setting it, we can remove it from blink.

BUG=365857

Review URL: https://codereview.chromium.org/443573004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287699 0039d316-1c4b-4281-b951-d872f2087c98