1 files changed, 24 insertions, 0 deletions
diff --git a/dom/filehandle/SerializationHelpers.h b/dom/filehandle/SerializationHelpers.h
new file mode 100644
index 0000000000..3bf66e1f69
--- /dev/null
+++ b/dom/filehandle/SerializationHelpers.h
@@ -0,0 +1,24 @@
+/* -*- 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 mozilla_dom_filehandle_SerializationHelpers_h
+#define mozilla_dom_filehandle_SerializationHelpers_h
+
+#include "ipc/EnumSerializer.h"
+
+#include "mozilla/dom/FileModeBinding.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::dom::FileMode>
+    : public ContiguousEnumSerializer<mozilla::dom::FileMode,
+                                      mozilla::dom::FileMode::Readonly,
+                                      mozilla::dom::FileMode::EndGuard_> {};
+
+}  // namespace IPC
+
+#endif  // mozilla_dom_filehandle_SerializationHelpers_h