[oilpan] The Node hierarchy should have correct accept method chains

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 70 matching lines @@
     if (hasRareData())
         clearRareData();
 }
 
 void ShadowRoot::visitWith(Visitor* visitor) const
 {
     // FIXME(oilpan): need explicit AcceptTrait node instantiation because otherwise compiler can't decide between TreeScope::accept and Node::accept.
     visitor->visit(this, &AcceptTrait<Node>::accept);
 }
 
-void ShadowRoot::acceptHeapVisitor(Visitor* visitor) const
-{
-    DocumentFragment::acceptHeapVisitor(visitor);
-    TreeScope::accept(visitor);
-}
-
 PassRefPtr<Node> ShadowRoot::cloneNode(bool, ExceptionCode& ec)
 {
     ec = DATA_CLONE_ERR;
     return 0;
 }
 
 String ShadowRoot::innerHTML() const
 {
     return createMarkup(this, ChildrenOnly);
 }
@@ skipping 145 matching lines @@
 void ShadowRoot::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
     DocumentFragment::reportMemoryUsage(memoryObjectInfo);
     TreeScope::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_prev, "prev");
     info.addMember(m_next, "next");
     info.addMember(m_scopeDistribution, "scopeDistribution");
 }
 
+void ShadowRoot::acceptHeapVisitor(Visitor* visitor) const
+{
+    DocumentFragment::acceptHeapVisitor(visitor);
+    TreeScope::accept(visitor);
 }
+
+}