Pass a struct to ContainerNode::childrenChanged() instead of separate arguments

Source/core/svg/SVGMarkerElement.cpp

Index: Source/core/svg/SVGMarkerElement.cpp
diff --git a/Source/core/svg/SVGMarkerElement.cpp b/Source/core/svg/SVGMarkerElement.cpp
index 146824a3a6c04fbe883f599a6204c241577b4aba..5bc17c00f8ab78f3e0c157d0b1d58adb3c39b24a 100644
--- a/Source/core/svg/SVGMarkerElement.cpp
+++ b/Source/core/svg/SVGMarkerElement.cpp
@@ -131,11 +131,11 @@ void SVGMarkerElement::svgAttributeChanged(const QualifiedName& attrName)
         renderer->invalidateCacheAndMarkForLayout();
 }
 
-void SVGMarkerElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGMarkerElement::childrenChanged(const ChildrenChange& change)
 {
-    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    SVGElement::childrenChanged(change);
 
-    if (changedByParser)
+    if (change.byParser)
         return;
 
     if (RenderObject* object = renderer())