Instances of this component write UI into the display page. This component
 is trusted so can access preferences etc, but page content isn't and so
 cannot.
[scriptable, uuid(e4a39f75-93da-4264-8bf2-1a5bfb1f2f68)]
interface nsIFeedWriter : nsISupports

Methods

 Uninitialize the feed writer.
void close() 
 Write feed UI for a particular preview DOMWindow
 @param   window
          The DOMWindow of the preview page that has loaded. 
          window.location.href == the URI of the feed.
void write(in nsIDOMWindow window)