diff -r 000000000000 -r 6474c204b198 widget/xpwidgets/GfxInfoWebGL.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/xpwidgets/GfxInfoWebGL.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+/* vim: se cin sw=2 ts=2 et : */
+/* -*- 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 __mozilla_widget_GfxInfoWebGL_h__
+#define __mozilla_widget_GfxInfoWebGL_h__
+
+#include "nsString.h"
+
+namespace mozilla {
+namespace widget {
+
+class GfxInfoWebGL {
+public:
+    static nsresult GetWebGLParameter(const nsAString& aParam, nsAString& aResult);
+
+protected:
+    GfxInfoWebGL() { }
+};
+
+}
+}
+
+#endif