Remove SVGDocument binding

Source/core/svg/SVGDocument.cpp

Index: Source/core/svg/SVGDocument.cpp
diff --git a/Source/core/svg/SVGDocument.cpp b/Source/core/svg/SVGDocument.cpp
index 94f3293d7ad4d7bf0cf27e4dd3f2cb9dc14616ea..5e3a9bb7818fdd8e9c0a5b694df4b6b960488497 100644
--- a/Source/core/svg/SVGDocument.cpp
+++ b/Source/core/svg/SVGDocument.cpp
@@ -37,18 +37,22 @@ namespace WebCore {
 SVGDocument::SVGDocument(const DocumentInit& initializer)
     : XMLDocument(initializer, XMLDocumentClass | SVGDocumentClass)
 {
-    ScriptWrappable::init(this);
 }
 
-SVGSVGElement* SVGDocument::rootElement() const
+SVGSVGElement* SVGDocument::rootElement(const Document* document)
 {
-    Element* elem = documentElement();
+    Element* elem = document->documentElement();
     if (elem && elem->hasTagName(SVGNames::svgTag))
         return toSVGSVGElement(elem);
 
     return 0;
 }
 
+SVGSVGElement* SVGDocument::rootElement() const
+{
+    return rootElement(this);
+}
+
 void SVGDocument::dispatchZoomEvent(float prevScale, float newScale)
 {
     RefPtr<SVGZoomEvent> event = SVGZoomEvent::create();