diff -r 000000000000 -r 6474c204b198 parser/htmlparser/src/nsParserMsgUtils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parser/htmlparser/src/nsParserMsgUtils.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,65 @@
+/* -*- 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/. */
+
+#include "nsIServiceManager.h"
+#include "nsIStringBundle.h"
+#include "nsXPIDLString.h"
+#include "nsParserMsgUtils.h"
+#include "nsNetCID.h"
+#include "mozilla/Services.h"
+
+static nsresult GetBundle(const char * aPropFileName, nsIStringBundle **aBundle)
+{
+  NS_ENSURE_ARG_POINTER(aPropFileName);
+  NS_ENSURE_ARG_POINTER(aBundle);
+
+  // Create a bundle for the localization
+
+  nsCOMPtr<nsIStringBundleService> stringService =
+    mozilla::services::GetStringBundleService();
+  if (!stringService)
+    return NS_ERROR_FAILURE;
+
+  return stringService->CreateBundle(aPropFileName, aBundle);
+}
+
+nsresult
+nsParserMsgUtils::GetLocalizedStringByName(const char * aPropFileName, const char* aKey, nsString& oVal)
+{
+  oVal.Truncate();
+
+  NS_ENSURE_ARG_POINTER(aKey);
+
+  nsCOMPtr<nsIStringBundle> bundle;
+  nsresult rv = GetBundle(aPropFileName,getter_AddRefs(bundle));
+  if (NS_SUCCEEDED(rv) && bundle) {
+    nsXPIDLString valUni;
+    nsAutoString key; key.AssignWithConversion(aKey);
+    rv = bundle->GetStringFromName(key.get(), getter_Copies(valUni));
+    if (NS_SUCCEEDED(rv) && valUni) {
+      oVal.Assign(valUni);
+    }  
+  }
+
+  return rv;
+}
+
+nsresult
+nsParserMsgUtils::GetLocalizedStringByID(const char * aPropFileName, uint32_t aID, nsString& oVal)
+{
+  oVal.Truncate();
+
+  nsCOMPtr<nsIStringBundle> bundle;
+  nsresult rv = GetBundle(aPropFileName,getter_AddRefs(bundle));
+  if (NS_SUCCEEDED(rv) && bundle) {
+    nsXPIDLString valUni;
+    rv = bundle->GetStringFromID(aID, getter_Copies(valUni));
+    if (NS_SUCCEEDED(rv) && valUni) {
+      oVal.Assign(valUni);
+    }  
+  }
+
+  return rv;
+}