# File lib/selenium/webdriver/firefox/util.rb, line 9
        def app_data_path
          case Platform.os
          when :windows
            "#{ENV['APPDATA']}\\Mozilla\\Firefox"
          when :macosx
            "#{Platform.home}/Library/Application Support/Firefox"
          when :unix, :linux
            "#{Platform.home}/.mozilla/firefox"
          else
            raise "Unknown os: #{Platform.os}"
          end
        end