diff -r 000000000000 -r 6474c204b198 content/svg/document/src/SVGDocument.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/svg/document/src/SVGDocument.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,95 @@
+/* -*- 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 "mozilla/dom/SVGDocument.h"
+#include "nsString.h"
+#include "nsLiteralString.h"
+#include "nsIDOMSVGElement.h"
+#include "mozilla/dom/Element.h"
+#include "nsSVGElement.h"
+#include "mozilla/dom/SVGDocumentBinding.h"
+
+using namespace mozilla::dom;
+
+namespace mozilla {
+namespace dom {
+
+//----------------------------------------------------------------------
+// Implementation
+
+//----------------------------------------------------------------------
+// nsISupports methods:
+
+void
+SVGDocument::GetDomain(nsAString& aDomain, ErrorResult& aRv)
+{
+  SetDOMStringToNull(aDomain);
+
+  if (mDocumentURI) {
+    nsAutoCString domain;
+    nsresult rv = mDocumentURI->GetHost(domain);
+    if (NS_FAILED(rv)) {
+      aRv.Throw(rv);
+      return;
+    }
+    if (domain.IsEmpty()) {
+      return;
+    }
+    CopyUTF8toUTF16(domain, aDomain);
+  }
+}
+
+nsSVGElement*
+SVGDocument::GetRootElement(ErrorResult& aRv)
+{
+  Element* root = nsDocument::GetRootElement();
+  if (!root) {
+    return nullptr;
+  }
+  if (!root->IsSVG()) {
+    aRv.Throw(NS_NOINTERFACE);
+    return nullptr;
+  }
+  return static_cast<nsSVGElement*>(root);
+}
+
+nsresult
+SVGDocument::Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const
+{
+  NS_ASSERTION(aNodeInfo->NodeInfoManager() == mNodeInfoManager,
+               "Can't import this document into another document!");
+
+  nsRefPtr<SVGDocument> clone = new SVGDocument();
+  nsresult rv = CloneDocHelper(clone.get());
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return CallQueryInterface(clone.get(), aResult);
+}
+
+JSObject*
+SVGDocument::WrapNode(JSContext *aCx)
+{
+  return SVGDocumentBinding::Wrap(aCx, this);
+}
+
+} // namespace dom
+} // namespace mozilla
+
+////////////////////////////////////////////////////////////////////////
+// Exported creation functions
+
+nsresult
+NS_NewSVGDocument(nsIDocument** aInstancePtrResult)
+{
+  nsRefPtr<SVGDocument> doc = new SVGDocument();
+
+  nsresult rv = doc->Init();
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  doc.forget(aInstancePtrResult);
+  return rv;
+}