diff -r 000000000000 -r 6474c204b198 parser/htmlparser/src/CNavDTD.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parser/htmlparser/src/CNavDTD.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=2 et tw=78: */
+/* 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 "nsISupports.h"
+#include "nsISupportsImpl.h"
+#include "nsIParser.h"
+#include "CNavDTD.h"
+#include "nsIHTMLContentSink.h"
+
+NS_IMPL_ISUPPORTS(CNavDTD, nsIDTD);
+
+CNavDTD::CNavDTD()
+{
+}
+
+CNavDTD::~CNavDTD()
+{
+}
+
+NS_IMETHODIMP
+CNavDTD::WillBuildModel(const CParserContext& aParserContext,
+                        nsITokenizer* aTokenizer,
+                        nsIContentSink* aSink)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+CNavDTD::BuildModel(nsITokenizer* aTokenizer,
+                    nsIContentSink* aSink)
+{
+  // NB: It is important to throw STOPPARSING if the sink is the wrong type in
+  // order to make sure nsParser cleans up properly after itself.
+  nsCOMPtr<nsIHTMLContentSink> sink = do_QueryInterface(aSink);
+  if (!sink) {
+    return NS_ERROR_HTMLPARSER_STOPPARSING;
+  }
+
+  nsresult rv = sink->OpenContainer(nsIHTMLContentSink::eHTML);
+  NS_ENSURE_SUCCESS(rv, rv);
+  rv = sink->OpenContainer(nsIHTMLContentSink::eBody);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  rv = sink->CloseContainer(nsIHTMLContentSink::eBody);
+  MOZ_ASSERT(NS_SUCCEEDED(rv));
+  rv = sink->CloseContainer(nsIHTMLContentSink::eHTML);
+  MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+CNavDTD::DidBuildModel(nsresult anErrorCode)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP_(void)
+CNavDTD::Terminate()
+{
+}
+
+
+NS_IMETHODIMP_(int32_t) 
+CNavDTD::GetType() 
+{ 
+  return NS_IPARSER_FLAG_HTML; 
+}
+
+NS_IMETHODIMP_(nsDTDMode)
+CNavDTD::GetMode() const
+{
+  return eDTDMode_quirks;
+}
+
+NS_IMETHODIMP_(bool)
+CNavDTD::CanContain(int32_t aParent,int32_t aChild) const
+{
+  MOZ_CRASH("nobody calls this");
+  return false;
+}
+
+NS_IMETHODIMP_(bool)
+CNavDTD::IsContainer(int32_t aTag) const
+{
+  MOZ_CRASH("nobody calls this");
+  return false;
+}