diff -r 000000000000 -r 6474c204b198 gfx/layers/ipc/ShadowLayerParent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/ipc/ShadowLayerParent.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 mozilla_layers_ShadowLayerParent_h
+#define mozilla_layers_ShadowLayerParent_h
+
+#include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
+#include "mozilla/ipc/ProtocolUtils.h"
+#include "mozilla/layers/PLayerParent.h"  // for PLayerParent
+#include "nsAutoPtr.h"                  // for nsRefPtr
+
+namespace mozilla {
+namespace layers {
+
+class ContainerLayer;
+class Layer;
+class LayerManager;
+
+class CanvasLayerComposite;
+class ColorLayerComposite;
+class ContainerLayerComposite;
+class ImageLayerComposite;
+class RefLayerComposite;
+class ThebesLayerComposite;
+
+class ShadowLayerParent : public PLayerParent
+{
+public:
+  ShadowLayerParent();
+
+  virtual ~ShadowLayerParent();
+
+  void Bind(Layer* layer);
+  void Destroy();
+
+  Layer* AsLayer() const { return mLayer; }
+
+  ContainerLayerComposite* AsContainerLayerComposite() const;
+  CanvasLayerComposite* AsCanvasLayerComposite() const;
+  ColorLayerComposite* AsColorLayerComposite() const;
+  ImageLayerComposite* AsImageLayerComposite() const;
+  RefLayerComposite* AsRefLayerComposite() const;
+  ThebesLayerComposite* AsThebesLayerComposite() const;
+
+private:
+  virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
+
+  nsRefPtr<Layer> mLayer;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // ifndef mozilla_layers_ShadowLayerParent_h