/usr/ is in libcheese-gtk-dev 3.4.1-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/
/usr/share/gtk-doc/html/
/usr/share/
/usr/share/gtk-doc/html/cheese/
/usr/share/gtk-doc/html/cheese/annotation-glossary.html
/usr/share/gtk-doc/html/cheese/CheeseCamera.html
/usr/share/gtk-doc/html/cheese/index.html
/usr/share/gtk-doc/html/cheese/cheese_architecture.png
/usr/share/gtk-doc/html/cheese/CheeseFileUtil.html
/usr/share/gtk-doc/html/cheese/CheeseCameraDeviceMonitor.html
/usr/share/gtk-doc/html/cheese/running-cheese.html
/usr/share/gtk-doc/html/cheese/up.png
/usr/share/gtk-doc/html/cheese/left.png
/usr/share/gtk-doc/html/cheese/index.sgml
/usr/share/gtk-doc/html/cheese/cheese-overview.html
/usr/share/gtk-doc/html/cheese/style.css
/usr/share/gtk-doc/html/cheese/cheese-Initializing-libcheese-gtk.html
/usr/share/gtk-doc/html/cheese/cheese.html
/usr/share/gtk-doc/html/cheese/cheese.devhelp2
/usr/share/gtk-doc/html/cheese/CheeseCameraDevice.html
/usr/share/gtk-doc/html/cheese/libcheese.html
/usr/share/gtk-doc/html/cheese/CheeseFlash.html
/usr/share/gtk-doc/html/cheese/cheese-Initializing-libcheese.html
/usr/share/gtk-doc/html/cheese/home.png
/usr/share/gtk-doc/html/cheese/object-tree.html
/usr/share/gtk-doc/html/cheese/libcheese-gtk.html
/usr/share/gtk-doc/html/cheese/CheeseWidget.html
/usr/share/gtk-doc/html/cheese/CheeseEffect.html
/usr/share/gtk-doc/html/cheese/api-index-full.html
/usr/share/gtk-doc/html/cheese/CheeseAvatarChooser.html
/usr/share/gtk-doc/html/cheese/right.png
/usr/share/gtk-doc/html/cheese/api-index-deprecated.html
/usr/share/doc/
/usr/share/doc/libcheese-gtk-dev/
/usr/share/doc/libcheese-gtk-dev/copyright
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/cheese-gtk.pc
/usr/include/
/usr/include/cheese/
/usr/include/cheese/cheese-gtk.h
/usr/include/cheese/cheese-widget.h
/usr/include/cheese/cheese-avatar-chooser.h
/usr/share/doc/libcheese-gtk-dev/README
/usr/share/doc/libcheese-gtk-dev/NEWS.gz
/usr/share/doc/libcheese-gtk-dev/TODO
/usr/share/doc/libcheese-gtk-dev/AUTHORS
/usr/share/doc/libcheese-gtk-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libcheese-gtk.so