Drop [LegacyImplementedInBaseClass] from SVGZoomAndSpan IDL interface

Source/core/svg/SVGSVGElement.h

Index: Source/core/svg/SVGSVGElement.h
diff --git a/Source/core/svg/SVGSVGElement.h b/Source/core/svg/SVGSVGElement.h
index 395f4d96529277437fd73c8be4f5f3af64e6db70..6865bd27f113d7ea7fcf8cdbea60ace1be3599b7 100644
--- a/Source/core/svg/SVGSVGElement.h
+++ b/Source/core/svg/SVGSVGElement.h
@@ -126,9 +126,6 @@ public:
     bool widthAttributeEstablishesViewport() const;
     bool heightAttributeEstablishesViewport() const;
 
-    SVGZoomAndPanType zoomAndPan() const { return m_zoomAndPan; }
-    void setZoomAndPan(unsigned short zoomAndPan) { m_zoomAndPan = SVGZoomAndPan::parseFromNumber(zoomAndPan); }
-
     bool hasEmptyViewBox() const { return m_viewBox->currentValue()->isValid() && m_viewBox->currentValue()->value().isEmpty(); }
 
     SVGAnimatedLength* x() const { return m_x.get(); }
@@ -179,7 +176,6 @@ private:
     virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const OVERRIDE;
 
     bool m_useCurrentView;
-    SVGZoomAndPanType m_zoomAndPan;
     RefPtr<SMILTimeContainer> m_timeContainer;
     RefPtr<SVGPoint> m_translation;
     RefPtr<SVGViewSpec> m_viewSpec;