Introduce SVGGraphicsElement IDL interface

Source/core/svg/SVGGElement.h

Index: Source/core/svg/SVGGElement.h
diff --git a/Source/core/svg/SVGGElement.h b/Source/core/svg/SVGGElement.h
index c0299fe848aeef0d2aceaab851e06aca4b77239d..214e3b8d1e9c9bf7e3e2dd4001d28f70f3133d91 100644
--- a/Source/core/svg/SVGGElement.h
+++ b/Source/core/svg/SVGGElement.h
@@ -23,13 +23,11 @@
 
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
-#include "core/svg/SVGStyledTransformableElement.h"
-#include "core/svg/SVGTests.h"
+#include "core/svg/SVGGraphicsElement.h"
 
 namespace WebCore {
 
-class SVGGElement FINAL : public SVGStyledTransformableElement,
-                          public SVGTests,
+class SVGGElement FINAL : public SVGGraphicsElement,
                           public SVGExternalResourcesRequired {
 public:
     static PassRefPtr<SVGGElement> create(const QualifiedName&, Document*);