Make manual isSVG*Element() helpers as efficient as the generated ones

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 55 matching lines @@
     virtual bool hasValidAttributeType() OVERRIDE;
 
     RefPtr<SVGPropertyBase> m_fromProperty;
     RefPtr<SVGPropertyBase> m_toProperty;
     RefPtr<SVGPropertyBase> m_toAtEndOfDurationProperty;
     RefPtr<SVGPropertyBase> m_animatedProperty;
 
     OwnPtrWillBeMember<SVGAnimatedTypeAnimator> m_animator;
 };
 
-inline bool isSVGAnimateElement(const Node& node)
+inline bool isSVGAnimateElement(const SVGElement& element)
 {
-    return node.hasTagName(SVGNames::animateTag)
-        || node.hasTagName(SVGNames::animateTransformTag)
-        || node.hasTagName(SVGNames::setTag);
+    return element.hasTagName(SVGNames::animateTag)
+        || element.hasTagName(SVGNames::animateTransformTag)
+        || element.hasTagName(SVGNames::setTag);
 }
 
-DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
+DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
 
 } // namespace blink
 
 #endif // SVGAnimateElement_h