diff -r 000000000000 -r 6474c204b198 dom/base/nsIScriptObjectPrincipal.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsIScriptObjectPrincipal.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef nsIScriptObjectPrincipal_h__
+#define nsIScriptObjectPrincipal_h__
+
+#include "nsISupports.h"
+
+class nsIPrincipal;
+
+
+#define NS_ISCRIPTOBJECTPRINCIPAL_IID \
+{ 0x3eedba38, 0x8d22, 0x41e1,  \
+{ 0x81, 0x7a, 0x0e, 0x43, 0xe1, 0x65, 0xb6, 0x64} }
+
+/**
+ * JS Object Principal information.
+ */
+class nsIScriptObjectPrincipal : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTOBJECTPRINCIPAL_IID)
+
+  virtual nsIPrincipal* GetPrincipal() = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptObjectPrincipal,
+                              NS_ISCRIPTOBJECTPRINCIPAL_IID)
+
+#endif // nsIScriptObjectPrincipal_h__