Drop [LegacyImplementedInBaseClass] from SVGFilterPrimitiveStandardAttributes IDL interface

Source/core/svg/SVGFilterPrimitiveStandardAttributes.h

Index: Source/core/svg/SVGFilterPrimitiveStandardAttributes.h
diff --git a/Source/core/svg/SVGFilterPrimitiveStandardAttributes.h b/Source/core/svg/SVGFilterPrimitiveStandardAttributes.h
index 4c35bd1201e7b5e132c8fe3af625f7295401d1c2..70c8f634e2031fbe433f683f456f0a4e85bedeb6 100644
--- a/Source/core/svg/SVGFilterPrimitiveStandardAttributes.h
+++ b/Source/core/svg/SVGFilterPrimitiveStandardAttributes.h
@@ -43,11 +43,18 @@ public:
     // Returns true, if the new value is different from the old one.
     virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&);
 
+    // SVGFilterPrimitiveStandardAttributes JS API.
+    static SVGAnimatedLength* x(SVGFilterPrimitiveStandardAttributes* object) { return object->x(); }
+    static SVGAnimatedLength* y(SVGFilterPrimitiveStandardAttributes* object) { return object->y(); }
+    static SVGAnimatedLength* width(SVGFilterPrimitiveStandardAttributes* object) { return object->width(); }
+    static SVGAnimatedLength* height(SVGFilterPrimitiveStandardAttributes* object) { return object->height(); }
+    static SVGAnimatedString* result(SVGFilterPrimitiveStandardAttributes* object) { return object->result(); }
+
     SVGAnimatedLength* x() const { return m_x.get(); }
     SVGAnimatedLength* y() const { return m_y.get(); }
     SVGAnimatedLength* width() const { return m_width.get(); }
     SVGAnimatedLength* height() const { return m_height.get(); }
-    SVGAnimatedString* result() { return m_result.get(); }
+    SVGAnimatedString* result() const { return m_result.get(); }
 
 protected:
     SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document&);