diff -r 000000000000 -r 6474c204b198 widget/xpwidgets/nsClipboardHelper.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/xpwidgets/nsClipboardHelper.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* -*- 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 nsClipboardHelper_h__
+#define nsClipboardHelper_h__
+
+// interfaces
+#include "nsIClipboardHelper.h"
+
+// basics
+#include "nsString.h"
+
+/**
+ * impl class for nsIClipboardHelper, a helper for common uses of nsIClipboard.
+ */
+
+class nsClipboardHelper : public nsIClipboardHelper
+{
+
+public:
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSICLIPBOARDHELPER
+
+  nsClipboardHelper();
+  virtual ~nsClipboardHelper();
+
+};
+
+#endif // nsClipboardHelper_h__