diff --git a/js/lib/protocol-handlers.jsm b/js/lib/protocol-handlers.jsm
--- a/js/lib/protocol-handlers.jsm
+++ b/js/lib/protocol-handlers.jsm
@@ -17,19 +17,19 @@
     "@mozilla.org/network/standard-url;1";
 const IOSERVICE_CONTRACTID =
     "@mozilla.org/network/io-service;1";
 
 const IRCPROT_HANDLER_CONTRACTID =
     "@mozilla.org/network/protocol;1?name=irc";
 const IRCSPROT_HANDLER_CONTRACTID =
     "@mozilla.org/network/protocol;1?name=ircs";
-const IRCPROT_HANDLER_CID =
+this.IRCPROT_HANDLER_CID =
     Components.ID("{f21c35f4-1dd1-11b2-a503-9bf8a539ea39}");
-const IRCSPROT_HANDLER_CID =
+this.IRCSPROT_HANDLER_CID =
     Components.ID("{f21c35f4-1dd1-11b2-a503-9bf8a539ea3a}");
 
 const IRC_MIMETYPE = "application/x-irc";
 const IRCS_MIMETYPE = "application/x-ircs";
 
 //XXXgijs: Because necko is annoying and doesn't expose this error flag, we
 //         define our own constant for it. Throwing something else will show
 //         ugly errors instead of seeminly doing nothing.
@@ -88,17 +88,17 @@
         if (!ios.allowPort(URI.port, URI.scheme))
             throw Cr.NS_ERROR_FAILURE;
 
         return new BogusChannel(URI, this.isSecure);
     },
 };
 
 
-const IRCProtocolHandlerFactory =
+this.IRCProtocolHandlerFactory =
 {
     createInstance(outer, iid)
     {
         if (outer != null)
             throw Cr.NS_ERROR_NO_AGGREGATION;
 
         if (!iid.equals(Ci.nsIProtocolHandler) && !iid.equals(Ci.nsISupports))
             throw Cr.NS_ERROR_INVALID_ARG;
@@ -106,17 +106,17 @@
         const protHandler = new IRCProtocolHandler(false);
         protHandler.scheme = "irc";
         protHandler.defaultPort = 6667;
         return protHandler;
     },
 };
 
 
-const IRCSProtocolHandlerFactory =
+this.IRCSProtocolHandlerFactory =
 {
     createInstance(outer, iid)
     {
         if (outer != null)
             throw Cr.NS_ERROR_NO_AGGREGATION;
 
         if (!iid.equals(Ci.nsIProtocolHandler) && !iid.equals(Ci.nsISupports))
             throw Cr.NS_ERROR_INVALID_ARG;
@@ -202,17 +202,17 @@
 
     resume()
     {
         throw Cr.NS_ERROR_NOT_IMPLEMENTED;
     },
 };
 
 
-const ChatZillaProtocols =
+this.ChatZillaProtocols =
 {
     init()
     {
         const compMgr = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
         compMgr.registerFactory(IRCPROT_HANDLER_CID,
                                 "IRC protocol handler",
                                 IRCPROT_HANDLER_CONTRACTID,
                                 IRCProtocolHandlerFactory);