LoadUrl signature takes a display consumer

mailnews/base/util/nsMsgProtocol.cpp

@@ -155,7 +155,7 @@ NS_IMETHODIMP nsMsgProtocol::OnStopBinding(nsIURL* aURL, nsresult aStatus, const
 	return aMsgUrl->SetUrlState(PR_FALSE, aStatus);
 }
 
-nsresult nsMsgProtocol::LoadUrl(nsIURL * aURL)
+nsresult nsMsgProtocol::LoadUrl(nsIURL * aURL, nsISupports * /* aConsumer */)
 {
 	// okay now kick us off to the next state...
 	// our first state is a process state so drive the state machine...

mailnews/base/util/nsMsgProtocol.h

@@ -69,7 +69,8 @@ public:
 	// LoadUrl -- A protocol typically overrides this function, sets up any local state for the url and
 	// then calls the base class which opens the socket if it needs opened. If the socket is 
 	// already opened then we just call ProcessProtocolState to start the churning process.
-	virtual nsresult LoadUrl(nsIURL * aURL);
+	// aConsumer is the consumer for the url. It can be null if this argument is not appropriate
+	virtual nsresult LoadUrl(nsIURL * aURL, nsISupports * aConsumer = nsnull);
 
 	// Flag manipulators
 	PRBool TestFlag  (PRUint32 flag) {return flag & m_flags;}