Return a reference to the embedded (Gtk2::MozEmbed) widget.
Copyright 2005,2009 Scott Lanning <email@example.com>. All rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.