SVGSMILElement should respect SVGTests results

Source/core/svg/SVGAnimationElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 533 matching lines @@
     if (calcMode == CalcModeSpline) {
         ASSERT(m_keySplines.size() == m_values.size() - 1);
         effectivePercent = calculatePercentForSpline(effectivePercent, index);
     }
 }
 
 void SVGAnimationElement::startedActiveInterval()
 {
     m_animationValid = false;
 
+    if (!isValid())
+        return;
+
     if (!hasValidAttributeType())
         return;
 
     // These validations are appropriate for all animation modes.
     if (fastHasAttribute(SVGNames::keyPointsAttr) && m_keyPoints.size() != m_keyTimes.size())
         return;
 
     AnimationMode animationMode = this->animationMode();
     CalcMode calcMode = this->calcMode();
     if (calcMode == CalcModeSpline) {
@@ skipping 122 matching lines @@
     SVGSMILElement::setAttributeName(attributeName);
     checkInvalidCSSAttributeType(targetElement());
 }
 
 void SVGAnimationElement::checkInvalidCSSAttributeType(SVGElement* target)
 {
     m_hasInvalidCSSAttributeType = target && hasValidAttributeName() && attributeType() == AttributeTypeCSS && !isTargetAttributeCSSProperty(target, attributeName());
 }
 
 }