diff -r 000000000000 -r 6474c204b198 widget/gtk/nsBidiKeyboard.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/gtk/nsBidiKeyboard.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=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 __nsBidiKeyboard
+#define __nsBidiKeyboard
+#include "nsIBidiKeyboard.h"
+
+class nsBidiKeyboard : public nsIBidiKeyboard
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIBIDIKEYBOARD
+
+    nsBidiKeyboard();
+
+protected:
+    virtual ~nsBidiKeyboard();
+
+    bool mHaveBidiKeyboards;
+};
+
+#endif // __nsBidiKeyboard