diff -r 000000000000 -r 6474c204b198 intl/unicharutil/src/nsCategoryImp.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/unicharutil/src/nsCategoryImp.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- Mode: C; tab-width: 4; 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/. */
+
+#include "nscore.h"
+#include "nsISupports.h"
+#include "nsCategoryImp.h"
+#include "nsUnicodeProperties.h"
+
+NS_IMPL_QUERY_INTERFACE(nsCategoryImp, nsIUGenCategory)
+
+NS_IMETHODIMP_(MozExternalRefCountType) nsCategoryImp::AddRef(void)
+{
+  return MozExternalRefCountType(1);
+}
+
+NS_IMETHODIMP_(MozExternalRefCountType) nsCategoryImp::Release(void)
+{
+  return MozExternalRefCountType(1);
+}
+
+nsCategoryImp* nsCategoryImp::GetInstance()
+{
+  static nsCategoryImp categoryImp;
+  return &categoryImp;
+}
+
+nsIUGenCategory::nsUGenCategory nsCategoryImp::Get(uint32_t aChar)
+{
+  return mozilla::unicode::GetGenCategory(aChar);
+}