/usr/ is in unity-settings-daemon-dev 15.04.1+16.04.20160209-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libunity-settings-daemon.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/unity-settings-daemon.pc
/usr/include/
/usr/include/unity-settings-daemon-1.0/
/usr/include/unity-settings-daemon-1.0/unity-settings-daemon/
/usr/include/unity-settings-daemon-1.0/unity-settings-daemon/gsd-enums.h
/usr/include/unity-settings-daemon-1.0/unity-settings-daemon/gnome-settings-plugin.h
/usr/include/unity-settings-daemon-1.0/libunity-settings-daemon/
/usr/include/unity-settings-daemon-1.0/libunity-settings-daemon/gsd-pnp-ids.h
/usr/include/unity-settings-daemon-1.0/libunity-settings-daemon/gsd-rr-config.h
/usr/include/unity-settings-daemon-1.0/libunity-settings-daemon/gsd-rr.h
/usr/include/unity-settings-daemon-1.0/libunity-settings-daemon/gsd-idle-monitor.h
/usr/share/
/usr/share/doc/
/usr/share/doc/unity-settings-daemon-dev/
/usr/share/doc/unity-settings-daemon-dev/NEWS.gz
/usr/share/doc/unity-settings-daemon-dev/AUTHORS
/usr/share/doc/unity-settings-daemon-dev/copyright
/usr/share/doc/unity-settings-daemon-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libunity-settings-daemon.so