Drop [LegacyImplementedInBaseClass] from SVGFitToViewBox IDL interface

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 ba7dcf9e839bd02262d97bfbd2f24f4c1078b7bb..5cebf40b71a052e914da3163bfed108669528a57 100644
--- a/Source/core/svg/SVGSymbolElement.h
+++ b/Source/core/svg/SVGSymbolElement.h
@@ -22,8 +22,6 @@
 #define SVGSymbolElement_h
 
 #include "core/svg/SVGAnimatedBoolean.h"
-#include "core/svg/SVGAnimatedPreserveAspectRatio.h"
-#include "core/svg/SVGAnimatedRect.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGFitToViewBox.h"
 
@@ -34,9 +32,6 @@ class SVGSymbolElement FINAL : public SVGElement,
 public:
     static PassRefPtr<SVGSymbolElement> create(Document&);
 
-    SVGAnimatedRect* viewBox() const { return m_viewBox.get(); }
-    SVGAnimatedPreserveAspectRatio* preserveAspectRatio() { return m_preserveAspectRatio.get(); }
-
 private:
     explicit SVGSymbolElement(Document&);
 
@@ -50,8 +45,6 @@ private:
 
     virtual bool selfHasRelativeLengths() const OVERRIDE;
 
-    RefPtr<SVGAnimatedRect> m_viewBox;
-    RefPtr<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGSymbolElement)
     END_DECLARE_ANIMATED_PROPERTIES
 };