Changed the some of the forward declared interfaces to be includes of the idl files. This makes the usages of these interfaces easier. Also put in the C++ includes for the nasty dumb interfaces nsIURI and nsIStreamListener which haven't found their homes in IDL yet.

uriloader/base/nsIURIContentListener.idl

@@ -28,11 +28,19 @@
 */ 
 
 #include "nsISupports.idl"
-interface nsIProtocolHandler;
+#include "nsIProtocolHandler.idl"
+#include "nsIChannel.idl"
+//#include "nsIStreamListener.idl" This should be available!
+//#incldue "nsIURI.idl" This should be available!
 interface nsIStreamListener;
-interface nsIChannel;
 interface nsIURI;
 
+%{ C++
+#include "nsIStreamListener.h"
+#include "nsIURI.h"
+%}
+
+
 [scriptable, uuid(94928AB3-8B63-11d3-989D-001083010E9B)]
 interface nsIURIContentListener : nsISupports
 {