/usr/ is in libgnome-keyring-dev 3.8.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/gnome-keyring-1/
/usr/include/gnome-keyring-1/gnome-keyring-result.h
/usr/include/gnome-keyring-1/gnome-keyring-memory.h
/usr/include/gnome-keyring-1/gnome-keyring.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/gnome-keyring-1.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libgnome-keyring-dev/
/usr/share/doc/libgnome-keyring-dev/copyright
/usr/share/gtk-doc/
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/gnome-keyring/
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Keyring-Info.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Keyring-Items.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Miscellaneous-Functions.html
/usr/share/gtk-doc/html/gnome-keyring/index.sgml
/usr/share/gtk-doc/html/gnome-keyring/style.css
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Simple-Password-Storage.html
/usr/share/gtk-doc/html/gnome-keyring/annotation-glossary.html
/usr/share/gtk-doc/html/gnome-keyring/index.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Item-Attributes.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Search-Functionality.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Result-Codes.html
/usr/share/gtk-doc/html/gnome-keyring/ch01.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Daemon-Management-Functions.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Item-ACLs.html
/usr/share/gtk-doc/html/gnome-keyring/left.png
/usr/share/gtk-doc/html/gnome-keyring/home.png
/usr/share/gtk-doc/html/gnome-keyring/right.png
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Item-Information.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Keyrings.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Network-Passwords.html
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Non-pageable-Memory.html
/usr/share/gtk-doc/html/gnome-keyring/up.png
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring.devhelp2
/usr/share/gtk-doc/html/gnome-keyring/gnome-keyring-Callbacks.html
/usr/share/gir-1.0/
/usr/share/gir-1.0/GnomeKeyring-1.0.gir
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/gnome-keyring-1.vapi
/usr/lib/x86_64-linux-gnu/libgnome-keyring.so
/usr/share/doc/libgnome-keyring-dev/README
/usr/share/doc/libgnome-keyring-dev/NEWS.gz
/usr/share/doc/libgnome-keyring-dev/AUTHORS
/usr/share/doc/libgnome-keyring-dev/changelog.Debian.gz