diff -r 000000000000 -r 6474c204b198 netwerk/protocol/about/nsIAboutModule.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/protocol/about/nsIAboutModule.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsIURI;
+interface nsIChannel;
+
+[scriptable, uuid(9575693c-60d9-4332-b6b8-6c29289339cb)]
+interface nsIAboutModule : nsISupports 
+{
+    /**
+     * Constructs a new channel for the about protocol module. 
+     *
+     * @param aURI the uri of the new channel
+     */
+    nsIChannel newChannel(in nsIURI aURI);
+
+    /**
+     * A flag that indicates whether a URI is safe for untrusted
+     * content.  If it is, web pages and so forth will be allowed to
+     * link to this about: URI, and the about: protocol handler will
+     * enforce that the principal of channels created for it be based
+     * on their originalURI or URI (depending on the channel flags),
+     * by setting their "owner" to null.
+     * Otherwise, only chrome will be able to link to it.
+     */
+    const unsigned long URI_SAFE_FOR_UNTRUSTED_CONTENT = (1 << 0);
+
+    /**
+     * A flag that indicates whether script should be enabled for the
+     * given about: URI even if it's disabled in general.
+     */
+    const unsigned long ALLOW_SCRIPT = (1 << 1);
+
+    /**
+     * A flag that indicates whether this about: URI doesn't want to be listed
+     * in about:about, especially if it's not useful without a query string.
+     */
+    const unsigned long HIDE_FROM_ABOUTABOUT = (1 << 2);
+
+    /**
+     * A method to get the flags that apply to a given about: URI.  The URI
+     * passed in is guaranteed to be one of the URIs that this module
+     * registered to deal with.
+     */
+    unsigned long getURIFlags(in nsIURI aURI);
+};
+
+%{C++
+
+#define NS_ABOUT_MODULE_CONTRACTID        "@mozilla.org/network/protocol/about;1" 
+#define NS_ABOUT_MODULE_CONTRACTID_PREFIX NS_ABOUT_MODULE_CONTRACTID "?what=" 
+#define NS_ABOUT_MODULE_CONTRACTID_LENGTH 49      // strlen(NS_ABOUT_MODULE_CONTRACTID_PREFIX)
+
+%}