diff -r 000000000000 -r 6474c204b198 layout/xul/nsListBoxLayout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/xul/nsListBoxLayout.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 nsListBoxLayout_h___
+#define nsListBoxLayout_h___
+
+#include "mozilla/Attributes.h"
+#include "nsGridRowGroupLayout.h"
+
+class nsIFrame;
+typedef class nsIFrame nsIFrame;
+class nsBoxLayoutState;
+
+class nsListBoxLayout : public nsGridRowGroupLayout
+{
+public:
+  nsListBoxLayout();
+
+  // nsBoxLayout
+  NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE;
+  virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+
+protected:
+  NS_IMETHOD LayoutInternal(nsIFrame* aBox, nsBoxLayoutState& aState);
+};
+
+#endif
+