diff -r 000000000000 -r 6474c204b198 security/manager/pki/src/nsNSSDialogHelper.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/manager/pki/src/nsNSSDialogHelper.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- 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 nsNSSDialogHelper_h
+#define nsNSSDialogHelper_h
+
+#include "nsIDOMWindow.h"
+
+/**
+ * Common class that uses the window watcher service to open a
+ * standard dialog, with or without a parent context. The params
+ * parameter can be an nsISupportsArray so any number of additional
+ * arguments can be used.
+ */
+class nsNSSDialogHelper
+{
+public:
+  //The params is going to be either a nsIPKIParamBlock or
+  //nsIDialogParamBlock
+  static nsresult openDialog(
+                  nsIDOMWindow *window,
+                  const char *url,
+                  nsISupports *params,
+                  bool modal = true);
+};
+
+#endif