/usr/include/ is in libgnome-desktop-3-dev 3.4.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gnome-desktop-3.0/
/usr/include/gnome-desktop-3.0/libgnome-desktop/
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-bg.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-bg-crossfade.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-desktop-utils.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-desktop-thumbnail.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-rr.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-rr-config.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-rr-labeler.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-pnp-ids.h
/usr/include/gnome-desktop-3.0/libgnome-desktop/gnome-wall-clock.h