import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/cache/IPCUtils.h

@@ -0,0 +1,23 @@
+/* -*- 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_cache_IPCUtils_h
+#define mozilla_dom_cache_IPCUtils_h
+
+#include "ipc/IPCMessageUtils.h"
+
+#include "mozilla/dom/cache/Types.h"
+
+namespace IPC {
+  template<>
+  struct ParamTraits<mozilla::dom::cache::Namespace> :
+    public ContiguousEnumSerializer<mozilla::dom::cache::Namespace,
+                                    mozilla::dom::cache::DEFAULT_NAMESPACE,
+                                    mozilla::dom::cache::NUMBER_OF_NAMESPACES>
+  {};
+} // namespace IPC
+
+#endif // mozilla_dom_cache_IPCUtils_h