Merge 130777 - Prevent animation when CSS attributeType is invalid.

Source/WebCore/svg/animation/SVGSMILElement.h

Index: Source/WebCore/svg/animation/SVGSMILElement.h
===================================================================
--- Source/WebCore/svg/animation/SVGSMILElement.h	(revision 131765)
+++ Source/WebCore/svg/animation/SVGSMILElement.h	(working copy)
@@ -55,7 +55,7 @@
 
     SMILTimeContainer* timeContainer() const { return m_timeContainer.get(); }
 
-    SVGElement* targetElement();
+    SVGElement* targetElement(ResolveTarget = ResolveNewTarget);
     void resetTargetElement();
     const QualifiedName& attributeName() const { return m_attributeName; }
 
@@ -118,6 +118,7 @@
 
     // Sub-classes may need to take action when the target is changed.
     virtual void targetElementWillChange(SVGElement* currentTarget, SVGElement* newTarget);
+    virtual void setAttributeName(const QualifiedName&);
 
 private:
     virtual void startedActiveInterval() = 0;