diff -r 000000000000 -r 6474c204b198 netwerk/protocol/http/nsIHttpEventSink.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/protocol/http/nsIHttpEventSink.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsIChannel;
+interface nsIHttpChannel;
+interface nsIURI;
+
+/**
+ * nsIHttpEventSink
+ *
+ * Implement this interface to receive control over various HTTP events.  The
+ * HTTP channel will try to get this interface from its notificationCallbacks
+ * attribute, and if it doesn't find it there it will look for it from its
+ * loadGroup's notificationCallbacks attribute.
+ *
+ * These methods are called before onStartRequest, and should be handled
+ * SYNCHRONOUSLY.
+ *
+ * @deprecated Newly written code should use nsIChannelEventSink instead of this
+ * interface.
+ */
+[scriptable, uuid(9475a6af-6352-4251-90f9-d65b1cd2ea15)]
+interface nsIHttpEventSink : nsISupports
+{
+    /**
+     * Called when a redirect occurs due to a HTTP response like 302.  The
+     * redirection may be to a non-http channel.
+     *
+     * @return failure cancels redirect
+     */
+    void onRedirect(in nsIHttpChannel httpChannel,
+                    in nsIChannel newChannel);
+};