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

Source/core/svg/SVGMaskElement.cpp

Index: Source/core/svg/SVGMaskElement.cpp
diff --git a/Source/core/svg/SVGMaskElement.cpp b/Source/core/svg/SVGMaskElement.cpp
index feebb7e0df9df0ebc63769b3c1f2703f6c558ff9..e420f7619455d67edae677b44b6815887fcf8bf0 100644
--- a/Source/core/svg/SVGMaskElement.cpp
+++ b/Source/core/svg/SVGMaskElement.cpp
@@ -119,11 +119,11 @@ void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName)
         renderer->invalidateCacheAndMarkForLayout();
 }
 
-void SVGMaskElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void SVGMaskElement::childrenChanged(const ChildrenChange& change)
 {
-    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    SVGElement::childrenChanged(change);
 
-    if (changedByParser)
+    if (change.byParser)
         return;
 
     if (RenderObject* object = renderer())