after we show the helper app dialog. So progress and load information is
now retargeted to a stand alone window instead of re-using the underlying
browser / mail window...In order to do this, the external app handler needed to implement nsIURIContentListener.
sr=r=rpotts
git-svn-id: svn://10.0.0.236/trunk@80335 18797224-902f-48f8-a5cc-f745e15eee43