1 files changed, 18 insertions, 0 deletions
diff --git a/dom/base/nsDOMString.h b/dom/base/nsDOMString.h
new file mode 100644
index 0000000000..79ade05b7f
--- /dev/null
+++ b/dom/base/nsDOMString.h
@@ -0,0 +1,18 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 nsDOMString_h___
+#define nsDOMString_h___
+
+#include "nsString.h"
+
+inline bool DOMStringIsNull(const nsAString& aString) {
+  return aString.IsVoid();
+}
+
+inline void SetDOMStringToNull(nsAString& aString) { aString.SetIsVoid(true); }
+
+#endif /* nsDOMString_h___ */