/usr/share/ is in unity-lens-applications 7.1.0+16.10.20160927-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbus-1/
/usr/share/dbus-1/services/
/usr/share/dbus-1/services/unity-scope-applications.service
/usr/share/desktop-directories/
/usr/share/desktop-directories/X-Unity-All-Applications.directory
/usr/share/doc/
/usr/share/doc/unity-lens-applications/
/usr/share/doc/unity-lens-applications/changelog.Debian.gz
/usr/share/doc/unity-lens-applications/copyright
/usr/share/glib-2.0/
/usr/share/glib-2.0/schemas/
/usr/share/glib-2.0/schemas/com.canonical.Unity.AppsLens.gschema.xml
/usr/share/unity/
/usr/share/unity/scopes/
/usr/share/unity/scopes/applications/
/usr/share/unity/scopes/applications/applications.scope
/usr/share/unity/scopes/applications/scopes.scope
/usr/share/unity/scopes/commands.scope
/usr/share/unity/themes/
/usr/share/unity/themes/applications.png