[SVG] animateMotion is freezing at the end by default

Source/core/svg/SVGAnimateMotionElement.cpp

Index: Source/core/svg/SVGAnimateMotionElement.cpp
diff --git a/Source/core/svg/SVGAnimateMotionElement.cpp b/Source/core/svg/SVGAnimateMotionElement.cpp
index fc574ab5f74d2dc8741b04a5b84f363c39473458..73a3ee64ca76bcfef53bb5c6f38e7cc3a028f8aa 100644
--- a/Source/core/svg/SVGAnimateMotionElement.cpp
+++ b/Source/core/svg/SVGAnimateMotionElement.cpp
@@ -200,8 +200,17 @@ void SVGAnimateMotionElement::clearAnimatedType(SVGElement* targetElement)
 {
     if (!targetElement)
         return;
-    if (AffineTransform* transform = targetElement->supplementalTransform())
-        transform->makeIdentity();
+
+    AffineTransform* transform = targetElement->supplementalTransform();
+    if (!transform)
+        return;
+
+    transform->makeIdentity();
+
+    if (RenderObject* targetRenderer = targetElement->renderer()) {
+        targetRenderer->setNeedsTransformUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(targetRenderer);
+    }
 }
 
 bool SVGAnimateMotionElement::calculateToAtEndOfDurationValue(const String& toAtEndOfDurationString)