Replace SVGDocument by XMLDocument

Source/core/dom/XMLDocument.h

Index: Source/core/dom/XMLDocument.h
diff --git a/Source/core/dom/XMLDocument.h b/Source/core/dom/XMLDocument.h
index b65b19ca4252db5e31af60a994e778762187b971..62c2fc874e1217c8e8e0cd58d2ea9ed502339e2b 100644
--- a/Source/core/dom/XMLDocument.h
+++ b/Source/core/dom/XMLDocument.h
@@ -31,7 +31,7 @@
 
 namespace WebCore {
 
-class XMLDocument : public Document {
+class XMLDocument FINAL : public Document {
 public:
     static PassRefPtr<XMLDocument> create(const DocumentInit& initializer = DocumentInit())
     {
@@ -43,6 +43,11 @@ public:
         return adoptRef(new XMLDocument(initializer, XMLDocumentClass | XHTMLDocumentClass));
     }
 
+    static PassRefPtr<XMLDocument> createSVG(const DocumentInit& initializer = DocumentInit())
+    {
+        return adoptRef(new XMLDocument(initializer, XMLDocumentClass | SVGDocumentClass));
+    }
+
 protected:
     XMLDocument(const DocumentInit&, DocumentClassFlags documentClasses);
 };