Don't add redundant references to animated target element

third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp b/third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp
index 7fe46f132f058e2a40b1f68ff7a2f79db7e2dcc9..ecd0090b434d33534dfbabe94012931a44131329 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGAnimateElement.cpp
@@ -182,12 +182,6 @@ void SVGAnimateElement::resetAnimatedType()
         return;
     if (shouldApply == ApplyXMLAnimation || shouldApply == ApplyXMLandCSSAnimation) {
         // SVG DOM animVal animation code-path.
-        SVGElementInstances animatedElements = findElementInstances(targetElement);
-        ASSERT(!animatedElements.isEmpty());
-
-        for (SVGElement* element : animatedElements)
-            addReferenceTo(element);
-
         m_animatedProperty = m_animator.createAnimatedValue();
         targetElement->setAnimatedAttribute(attributeName, m_animatedProperty);
         return;