diff -r 000000000000 -r 6474c204b198 dom/base/nsWindowRoot.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsWindowRoot.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,81 @@
+/* -*- 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 nsWindowRoot_h__
+#define nsWindowRoot_h__
+
+class nsPIDOMWindow;
+class nsIDOMEventListener;
+class nsIDOMEvent;
+
+namespace mozilla {
+class EventChainPostVisitor;
+class EventChainPreVisitor;
+} // namespace mozilla
+
+#include "mozilla/Attributes.h"
+#include "mozilla/EventListenerManager.h"
+#include "nsIDOMEventTarget.h"
+#include "nsPIWindowRoot.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsAutoPtr.h"
+
+class nsWindowRoot : public nsPIWindowRoot
+{
+public:
+  nsWindowRoot(nsPIDOMWindow* aWindow);
+  virtual ~nsWindowRoot();
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_NSIDOMEVENTTARGET
+
+  virtual mozilla::EventListenerManager*
+    GetExistingListenerManager() const MOZ_OVERRIDE;
+  virtual mozilla::EventListenerManager*
+    GetOrCreateListenerManager() MOZ_OVERRIDE;
+
+  using mozilla::dom::EventTarget::RemoveEventListener;
+  virtual void AddEventListener(const nsAString& aType,
+                                mozilla::dom::EventListener* aListener,
+                                bool aUseCapture,
+                                const mozilla::dom::Nullable<bool>& aWantsUntrusted,
+                                mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
+
+  // nsPIWindowRoot
+
+  virtual nsPIDOMWindow* GetWindow() MOZ_OVERRIDE;
+
+  virtual nsresult GetControllers(nsIControllers** aResult) MOZ_OVERRIDE;
+  virtual nsresult GetControllerForCommand(const char * aCommand,
+                                           nsIController** _retval) MOZ_OVERRIDE;
+
+  virtual nsIDOMNode* GetPopupNode() MOZ_OVERRIDE;
+  virtual void SetPopupNode(nsIDOMNode* aNode) MOZ_OVERRIDE;
+
+  virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) MOZ_OVERRIDE
+  {
+    mParent = aTarget;
+  }
+  virtual mozilla::dom::EventTarget* GetParentTarget() MOZ_OVERRIDE { return mParent; }
+  virtual nsIDOMWindow* GetOwnerGlobal() MOZ_OVERRIDE;
+
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsWindowRoot,
+                                                         nsIDOMEventTarget)
+
+protected:
+  // Members
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+  // We own the manager, which owns event listeners attached to us.
+  nsRefPtr<mozilla::EventListenerManager> mListenerManager; // [Strong]
+  nsCOMPtr<nsIDOMNode> mPopupNode; // [OWNER]
+
+  nsCOMPtr<mozilla::dom::EventTarget> mParent;
+};
+
+extern already_AddRefed<mozilla::dom::EventTarget>
+NS_NewWindowRoot(nsPIDOMWindow* aWindow);
+
+#endif