adding connection cache interface

netwerk/protocol/ftp/public/nsIConnectionCache.idl

@@ -0,0 +1,33 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsISupports.idl"
+
+%{C++
+class nsConnectionCacheObj;
+%}
+
+[ptr] native nsConnectionCacheObj(nsConnectionCacheObj);
+
+[uuid(D40BB480-8709-11d3-A184-0050041CAF44)]
+interface nsIConnectionCache : nsISupports
+{
+    nsConnectionCacheObj RemoveConn(in string aKey);
+    void InsertConn(in string aKey, in nsConnectionCacheObj aConn);
+};
+