/usr/share/ is in account-plugin-facebook 0.11+14.04.20140409.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/account-plugin-facebook/
/usr/share/doc/account-plugin-facebook/copyright
/usr/share/accounts/
/usr/share/accounts/qml-plugins/
/usr/share/accounts/qml-plugins/facebook/
/usr/share/accounts/qml-plugins/facebook/Main.qml
/usr/share/accounts/services/
/usr/share/accounts/services/facebook-im.service
/usr/share/accounts/services/facebook-sharing.service
/usr/share/accounts/services/facebook-microblog.service
/usr/share/accounts/services/facebook-contacts.service
/usr/share/accounts/providers/
/usr/share/accounts/providers/facebook.provider
/usr/share/doc/account-plugin-facebook/changelog.Debian.gz