/usr/share/xul-ext/ubiquity/scripts/ is in xul-ext-ubiquity 0.6.4~pre20140729-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xul-ext/ubiquity/scripts/content-preview.js
/usr/share/xul-ext/ubiquity/scripts/date.js
/usr/share/xul-ext/ubiquity/scripts/docs/
/usr/share/xul-ext/ubiquity/scripts/docs/docs.css
/usr/share/xul-ext/ubiquity/scripts/docs/docs.js
/usr/share/xul-ext/ubiquity/scripts/gettext/
/usr/share/xul-ext/ubiquity/scripts/gettext/lib/
/usr/share/xul-ext/ubiquity/scripts/gettext/lib/Gettext.js
/usr/share/xul-ext/ubiquity/scripts/html-sanitizer-minified.js
/usr/share/xul-ext/ubiquity/scripts/jquery.js
/usr/share/xul-ext/ubiquity/scripts/jquery_setup.js
/usr/share/xul-ext/ubiquity/scripts/math_parser.js
/usr/share/xul-ext/ubiquity/scripts/prettify.css
/usr/share/xul-ext/ubiquity/scripts/prettify.js
/usr/share/xul-ext/ubiquity/scripts/template.js
/usr/share/xul-ext/ubiquity/scripts/wikicreole.js