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

Source/core/html/HTMLOptionElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 227 matching lines @@
     if (m_isSelected == selected)
         return;
 
     m_isSelected = selected;
     didAffectSelector(AffectedSelectorChecked);
 
     if (HTMLSelectElement* select = ownerSelectElement())
         select->invalidateSelectedItems();
 }
 
-void HTMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLOptionElement::childrenChanged(const ChildrenChange& change)
 {
     if (HTMLDataListElement* dataList = ownerDataListElement())
         dataList->optionElementChildrenChanged();
     else if (HTMLSelectElement* select = ownerSelectElement())
         select->optionElementChildrenChanged();
-    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+    HTMLElement::childrenChanged(change);
 }
 
 HTMLDataListElement* HTMLOptionElement::ownerDataListElement() const
 {
     return Traversal<HTMLDataListElement>::firstAncestor(*this);
 }
 
 HTMLSelectElement* HTMLOptionElement::ownerSelectElement() const
 {
     return Traversal<HTMLSelectElement>::firstAncestor(*this);
@@ skipping 107 matching lines @@
     // Check for parent optgroup having display NONE
     if (parent && isHTMLOptGroupElement(*parent)) {
         if (toHTMLOptGroupElement(*parent).isDisplayNone())
             return true;
     }
     RenderStyle* style = nonRendererStyle();
     return style && style->display() == NONE;
 }
 
 } // namespace WebCore