[SVG2] Merge SVGStyledElement into SVGElement

Source/core/svg/SVGSymbolElement.h

Index: Source/core/svg/SVGSymbolElement.h
diff --git a/Source/core/svg/SVGSymbolElement.h b/Source/core/svg/SVGSymbolElement.h
index a7eea444183a24b5d69d1985befe1d8ec9dfd326..488ad7f647de421322d128ac6a58b9b9b1e51bee 100644
--- a/Source/core/svg/SVGSymbolElement.h
+++ b/Source/core/svg/SVGSymbolElement.h
@@ -24,13 +24,13 @@
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
 #include "core/svg/SVGAnimatedRect.h"
+#include "core/svg/SVGElement.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGFitToViewBox.h"
-#include "core/svg/SVGStyledElement.h"
 
 namespace WebCore {
 
-class SVGSymbolElement FINAL : public SVGStyledElement,
+class SVGSymbolElement FINAL : public SVGElement,
                                public SVGExternalResourcesRequired,
                                public SVGFitToViewBox {
 public:
@@ -44,6 +44,8 @@ private:
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
+
+    virtual bool rendererIsNeeded(const NodeRenderingContext& context) OVERRIDE { return rendererIsNeededInternal(context); }
     virtual RenderObject* createRenderer(RenderStyle*);
 
     virtual bool selfHasRelativeLengths() const;