[oilpan] Handlify childrenChanged.

Source/core/dom/ShadowRoot.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 194 matching lines @@
             root = insertionPoint->containingShadowRoot();
 
         if (root && root->scopeDistribution())
             root->scopeDistribution()->unregisterElementShadow();
         m_registeredWithParentShadowRoot = false;
     }
 
     DocumentFragment::removedFrom(insertionPoint);
 }
 
-void ShadowRoot::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void ShadowRoot::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     if (isOrphan())
         return;
 
     ContainerNode::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
     owner()->invalidateDistribution();
 }
 
 void ShadowRoot::registerScopedHTMLStyleChild()
 {
@@ skipping 27 matching lines @@
     info.addMember(m_scopeDistribution, "scopeDistribution");
 }
 
 void ShadowRoot::accept(Visitor* visitor) const
 {
     DocumentFragment::accept(visitor);
     TreeScope::accept(visitor);
 }
 
 }