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

Source/core/svg/SVGTitleElement.h

Index: Source/core/svg/SVGTitleElement.h
diff --git a/Source/core/svg/SVGTitleElement.h b/Source/core/svg/SVGTitleElement.h
index 6c1d7fbc8f1e8ec4e10f1c37753fcb07a06e16b1..72e6e4c8535b9e470c81f362eb6320d17833abdc 100644
--- a/Source/core/svg/SVGTitleElement.h
+++ b/Source/core/svg/SVGTitleElement.h
@@ -34,7 +34,7 @@ private:
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void removedFrom(ContainerNode*) OVERRIDE;
-    virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE;
+    virtual void childrenChanged(const ChildrenChange&) OVERRIDE;
 
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return false; }
 };