/usr/lib/mozilla/plugins:
  => libtotem-cone-plugin.so
        (size: 100720 bytes, mtime: Tue Oct 18 07:28:25 2011)
  => libgnome-shell-browser-plugin.so
        (size: 14608 bytes, mtime: Mon Jan 30 05:36:09 2012)
  => libtotem-narrowspace-plugin.so
        (size: 80560 bytes, mtime: Tue Oct 18 07:28:25 2011)
  => librhythmbox-itms-detection-plugin.so
        (size: 6048 bytes, mtime: Tue Jan 24 07:03:35 2012)
  => libtotem-mully-plugin.so
        (size: 72040 bytes, mtime: Tue Oct 18 07:28:25 2011)
  => libtotem-gmp-plugin.so
        (size: 105424 bytes, mtime: Tue Oct 18 07:28:25 2011)

/usr/lib/xulrunner-addons/plugins: