diff -r 000000000000 -r 6474c204b198 layout/style/nsDOMCSSRect.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/style/nsDOMCSSRect.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+/* -*- 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/. */
+
+/* DOM object representing rectangle values in DOM computed style */
+
+#ifndef nsDOMCSSRect_h_
+#define nsDOMCSSRect_h_
+
+#include "mozilla/Attributes.h"
+#include "nsIDOMRect.h"
+#include "nsAutoPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+
+class nsROCSSPrimitiveValue;
+
+class nsDOMCSSRect : public nsIDOMRect,
+                     public nsWrapperCache
+{
+public:
+  nsDOMCSSRect(nsROCSSPrimitiveValue* aTop,
+               nsROCSSPrimitiveValue* aRight,
+               nsROCSSPrimitiveValue* aBottom,
+               nsROCSSPrimitiveValue* aLeft);
+  virtual ~nsDOMCSSRect(void);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_NSIDOMRECT
+
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMCSSRect)
+
+  nsROCSSPrimitiveValue* Top() const { return mTop; }
+  nsROCSSPrimitiveValue* Right() const { return mRight; }
+  nsROCSSPrimitiveValue* Bottom() const { return mBottom; }
+  nsROCSSPrimitiveValue* Left() const { return mLeft; }
+
+  nsISupports* GetParentObject() const { return nullptr; }
+
+  virtual JSObject* WrapObject(JSContext* cx)
+    MOZ_OVERRIDE MOZ_FINAL;
+
+private:
+  nsRefPtr<nsROCSSPrimitiveValue> mTop;
+  nsRefPtr<nsROCSSPrimitiveValue> mRight;
+  nsRefPtr<nsROCSSPrimitiveValue> mBottom;
+  nsRefPtr<nsROCSSPrimitiveValue> mLeft;
+};
+
+#endif /* nsDOMCSSRect_h_ */