[SVG] refactor determineAnimatedPropertyType logic.

Source/core/svg/SVGAnimateElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 20 matching lines @@
 namespace WebCore {
 
 class SVGAnimatedProperty;
 class SVGAnimatedTypeAnimator;
 
 class SVGAnimateElement : public SVGAnimationElement {
 public:
     static PassRefPtr<SVGAnimateElement> create(Document&);
     virtual ~SVGAnimateElement();
 
-    AnimatedPropertyType determineAnimatedPropertyType(SVGElement*) const;
-
 protected:
     SVGAnimateElement(const QualifiedName&, Document&);
 
     virtual void resetAnimatedType() OVERRIDE FINAL;
     virtual void clearAnimatedType(SVGElement* targetElement) OVERRIDE FINAL;
 
     virtual bool calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString) OVERRIDE FINAL;
     virtual bool calculateFromAndToValues(const String& fromString, const String& toString) OVERRIDE FINAL;
     virtual bool calculateFromAndByValues(const String& fromString, const String& byString) OVERRIDE FINAL;
     virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement) OVERRIDE FINAL;
@@ skipping 27 matching lines @@
     return node.hasTagName(SVGNames::animateTag)
         || node.hasTagName(SVGNames::animateTransformTag)
         || node.hasTagName(SVGNames::setTag);
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
 
 } // namespace WebCore
 
 #endif // SVGAnimateElement_h