/usr/share/glib-2.0/schemas/org.freedesktop.compiz.gears.gschema.xml is in compiz-plugins-extra 0.9.7.0~bzr9-0ubuntu6.
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/>
|