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

Source/core/html/HTMLTitleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 43 matching lines @@
     return InsertionDone;
 }
 
 void HTMLTitleElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLElement::removedFrom(insertionPoint);
     if (insertionPoint->inDocument() && !insertionPoint->isInShadowTree())
         document().removeTitle(this);
 }
 
-void HTMLTitleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLTitleElement::childrenChanged(const ChildrenChange& change)
 {
-    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    HTMLElement::childrenChanged(change);
     if (inDocument() && !isInShadowTree() && !m_ignoreTitleUpdatesWhenChildrenChange)
         document().setTitleElement(text(), this);
 }
 
 String HTMLTitleElement::text() const
 {
     StringBuilder result;
 
     for (Node *n = firstChild(); n; n = n->nextSibling()) {
         if (n->isTextNode())
@@ skipping 11 matching lines @@
     // Avoid calling Document::setTitleElement() during intermediate steps.
     m_ignoreTitleUpdatesWhenChildrenChange = !value.isEmpty();
     removeChildren();
     m_ignoreTitleUpdatesWhenChildrenChange = false;
 
     if (!value.isEmpty())
         appendChild(document().createTextNode(value.impl()), IGNORE_EXCEPTION);
 }
 
 }