/usr/share/ is in ruby-rails-assets-jquery-fullscreen 1.1.4~dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ruby-rails-assets-jquery-fullscreen/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/templates/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/templates/jquery-fullscreen/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/templates/jquery-fullscreen/demo/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/templates/jquery-fullscreen/demo/iframe.html
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/templates/jquery-fullscreen/demo/index.html
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/externs/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/externs/jquery.fullscreen.js
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/documents/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/documents/jquery-fullscreen/
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/documents/jquery-fullscreen/fullscreen.jquery.json
/usr/share/doc/
/usr/share/doc/ruby-rails-assets-jquery-fullscreen/
/usr/share/doc/ruby-rails-assets-jquery-fullscreen/changelog.Debian.gz
/usr/share/doc/ruby-rails-assets-jquery-fullscreen/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/rails-assets-jquery-fullscreen-1.1.4.gemspec
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/externs/jquery.js
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/jquery.fullscreen.js
/usr/share/ruby-rails-assets-jquery-fullscreen/app/assets/javascripts/jquery-fullscreen/jquery.fullscreen-min.js