Introduce SVGGraphicsElement IDL interface

Source/core/svg/SVGCircleElement.h

Index: Source/core/svg/SVGCircleElement.h
diff --git a/Source/core/svg/SVGCircleElement.h b/Source/core/svg/SVGCircleElement.h
index 0d6dae3362ec49aca8e322e44f2a1080510b8682..c49d4e3e04e0f9666d43952c96853161550b2f1e 100644
--- a/Source/core/svg/SVGCircleElement.h
+++ b/Source/core/svg/SVGCircleElement.h
@@ -24,13 +24,11 @@
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
-#include "core/svg/SVGStyledTransformableElement.h"
-#include "core/svg/SVGTests.h"
+#include "core/svg/SVGGraphicsElement.h"
 
 namespace WebCore {
 
-class SVGCircleElement FINAL : public SVGStyledTransformableElement,
-                               public SVGTests,
+class SVGCircleElement FINAL : public SVGGraphicsElement,
                                public SVGExternalResourcesRequired {
 public:
     static PassRefPtr<SVGCircleElement> create(const QualifiedName&, Document*);