diff -r 000000000000 -r 6474c204b198 gfx/layers/LayerScope.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/LayerScope.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 GFX_LAYERSCOPE_H
+#define GFX_LAYERSCOPE_H
+
+#include <stdint.h>
+
+struct nsIntSize;
+
+namespace mozilla {
+
+namespace gl { class GLContext; }
+
+namespace layers {
+
+struct EffectChain;
+
+class LayerScope {
+public:
+    static void CreateServerSocket();
+    static void DestroyServerSocket();
+    static void BeginFrame(gl::GLContext* aGLContext, int64_t aFrameStamp);
+    static void EndFrame(gl::GLContext* aGLContext);
+    static void SendEffectChain(gl::GLContext* aGLContext,
+                                const EffectChain& aEffectChain,
+                                int aWidth, int aHeight);
+};
+
+} /* layers */
+} /* mozilla */
+
+#endif /* GFX_LAYERSCOPE_H */