/usr/share/glib-2.0/schemas/org.freedesktop.compiz.gtkloader.gschema.xml is in unity-common 5.10.0-0ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | <?xml version="1.0"?>
<schemalist/>
|