/usr/share/gconf/schemas/ is in compiz-plugins-extra 0.9.7.0~bzr9-0ubuntu6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gconf/schemas/compiz-addhelper.schemas
/usr/share/gconf/schemas/compiz-animationaddon.schemas
/usr/share/gconf/schemas/compiz-bench.schemas
/usr/share/gconf/schemas/compiz-bicubic.schemas
/usr/share/gconf/schemas/compiz-crashhandler.schemas
/usr/share/gconf/schemas/compiz-cubeaddon.schemas
/usr/share/gconf/schemas/compiz-extrawm.schemas
/usr/share/gconf/schemas/compiz-fadedesktop.schemas
/usr/share/gconf/schemas/compiz-firepaint.schemas
/usr/share/gconf/schemas/compiz-gears.schemas
/usr/share/gconf/schemas/compiz-group.schemas
/usr/share/gconf/schemas/compiz-loginout.schemas
/usr/share/gconf/schemas/compiz-maximumize.schemas
/usr/share/gconf/schemas/compiz-mblur.schemas
/usr/share/gconf/schemas/compiz-notification.schemas
/usr/share/gconf/schemas/compiz-reflex.schemas
/usr/share/gconf/schemas/compiz-scalefilter.schemas
/usr/share/gconf/schemas/compiz-shelf.schemas
/usr/share/gconf/schemas/compiz-showdesktop.schemas
/usr/share/gconf/schemas/compiz-showmouse.schemas
/usr/share/gconf/schemas/compiz-splash.schemas
/usr/share/gconf/schemas/compiz-td.schemas
/usr/share/gconf/schemas/compiz-trailfocus.schemas
/usr/share/gconf/schemas/compiz-wallpaper.schemas
/usr/share/gconf/schemas/compiz-widget.schemas