Bug 320498 Fix NewChannel impls to handle null in argument

r=darin sr=darin


git-svn-id: svn://10.0.0.236/trunk@186212 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/html/document/src/nsWyciwygProtocolHandler.cpp

@@ -109,6 +109,7 @@ nsWyciwygProtocolHandler::NewURI(const nsACString &aSpec,
 NS_IMETHODIMP
 nsWyciwygProtocolHandler::NewChannel(nsIURI* url, nsIChannel* *result)
 {
+  NS_ENSURE_ARG_POINTER(url);
   nsresult rv;
     
   nsWyciwygChannel* channel = new nsWyciwygChannel();