diff -r 000000000000 -r 6474c204b198 dom/base/nsPIWindowRoot.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsPIWindowRoot.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 3; 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 nsPIWindowRoot_h__
+#define nsPIWindowRoot_h__
+
+#include "nsISupports.h"
+#include "mozilla/dom/EventTarget.h"
+
+class nsPIDOMWindow;
+class nsIControllers;
+class nsIController;
+
+#define NS_IWINDOWROOT_IID \
+{ 0x3f71f50c, 0xa7e0, 0x43bc, \
+ { 0xac, 0x25, 0x4d, 0xbb, 0x88, 0x7b, 0x21, 0x09 } }
+
+class nsPIWindowRoot : public mozilla::dom::EventTarget
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IWINDOWROOT_IID)
+
+  virtual nsPIDOMWindow* GetWindow()=0;
+
+  // get and set the node that is the context of a popup menu
+  virtual nsIDOMNode* GetPopupNode() = 0;
+  virtual void SetPopupNode(nsIDOMNode* aNode) = 0;
+
+  virtual nsresult GetControllerForCommand(const char *aCommand,
+                                           nsIController** aResult) = 0;
+  virtual nsresult GetControllers(nsIControllers** aResult) = 0;
+
+  virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) = 0;
+  virtual mozilla::dom::EventTarget* GetParentTarget() = 0;
+  virtual nsIDOMWindow* GetOwnerGlobal() MOZ_OVERRIDE = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsPIWindowRoot, NS_IWINDOWROOT_IID)
+
+#endif // nsPIWindowRoot_h__