/usr/ is in libcontent-hub-dev 0.1+16.04.20160309-0ubuntu1.
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/libcontent-hub.pc
/usr/include/
/usr/include/com/
/usr/include/com/ubuntu/
/usr/include/com/ubuntu/content/
/usr/include/com/ubuntu/content/type.h
/usr/include/com/ubuntu/content/transfer.h
/usr/include/com/ubuntu/content/store.h
/usr/include/com/ubuntu/content/peer.h
/usr/include/com/ubuntu/content/scope.h
/usr/include/com/ubuntu/content/hub.h
/usr/include/com/ubuntu/content/item.h
/usr/include/com/ubuntu/content/import_export_handler.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libcontent-hub-dev/
/usr/share/doc/libcontent-hub-dev/copyright
/usr/lib/x86_64-linux-gnu/libcontent-hub.so
/usr/share/doc/libcontent-hub-dev/changelog.Debian.gz