[SVG] refactor determineAnimatedPropertyType logic.

Source/core/svg/SVGAnimateElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 44 matching lines @@
 
 bool SVGAnimateElement::hasValidAttributeType()
 {
     SVGElement* targetElement = this->targetElement();
     if (!targetElement)
         return false;
 
     return m_animatedPropertyType != AnimatedUnknown && !hasInvalidCSSAttributeType();
 }
 
-AnimatedPropertyType SVGAnimateElement::determineAnimatedPropertyType(SVGElement* targetElement) const
-{
-    ASSERT(targetElement);
-
-    Vector<AnimatedPropertyType> propertyTypes;
-    targetElement->animatedPropertyTypeForAttribute(attributeName(), propertyTypes);
-    if (propertyTypes.isEmpty())
-        return AnimatedUnknown;
-
-    ASSERT(propertyTypes.size() <= 2);
-    AnimatedPropertyType type = propertyTypes[0];
-
-    // Animations of transform lists are not allowed for <animate> or <set>
-    // http://www.w3.org/TR/SVG/animate.html#AnimationAttributesAndProperties
-    if (type == AnimatedTransformList && !hasTagName(SVGNames::animateTransformTag))
-        return AnimatedUnknown;
-
-    if (propertyTypes.size() == 2)
-        ASSERT(propertyTypes[0] == propertyTypes[1]);
-
-    return type;
-}
-
 void SVGAnimateElement::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement)
 {
     ASSERT(resultElement);
     SVGElement* targetElement = this->targetElement();
     if (!targetElement || !isSVGAnimateElement(*resultElement))
         return;
 
-    ASSERT(m_animatedPropertyType == determineAnimatedPropertyType(targetElement));
+    ASSERT(m_animatedPropertyType == determineAnimatedPropertyType());
 
     ASSERT(percentage >= 0 && percentage <= 1);
     ASSERT(m_animatedPropertyType != AnimatedTransformList || hasTagName(SVGNames::animateTransformTag));
     ASSERT(m_animatedPropertyType != AnimatedUnknown);
     ASSERT(m_animator);
     ASSERT(m_animator->type() == m_animatedPropertyType);
     ASSERT(m_fromProperty);
     ASSERT(m_fromProperty->type() == m_animatedPropertyType);
     ASSERT(m_toProperty);
 
@@ skipping 305 matching lines @@
     resetAnimatedPropertyType();
 }
 
 void SVGAnimateElement::resetAnimatedPropertyType()
 {
     ASSERT(!m_animatedProperty);
     m_fromProperty.clear();
     m_toProperty.clear();
     m_toAtEndOfDurationProperty.clear();
     m_animator.clear();
-    m_animatedPropertyType = targetElement() ? determineAnimatedPropertyType(targetElement()) : AnimatedString;
+    m_animatedPropertyType = determineAnimatedPropertyType();
 }
 
 SVGAnimatedTypeAnimator* SVGAnimateElement::ensureAnimator()
 {
     if (!m_animator)
         m_animator = SVGAnimatorFactory::create(this, targetElement(), m_animatedPropertyType);
     ASSERT(m_animatedPropertyType == m_animator->type());
     return m_animator.get();
 }
 
 }