/var/lib/polkit-1/localauthority/10-vendor.d/com.canonical.unity.webapps.pkla is in unity-webapps-common 2.4.17+15.10.20150616-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [Whitelisted installs]
Identity=unix-group:admin;unix-group:sudo
Action=org.debian.apt.install-packages.high-trust-repo
ResultActive=yes
|