Oilpan: add transition types to shadow DOM supporting objects.

Source/core/dom/shadow/ContentDistribution.cpp

 /*
  * Copyright (C) 2013 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 19 matching lines @@
 #include "core/dom/shadow/InsertionPoint.h"
 
 namespace WebCore {
 
 void ContentDistribution::swap(ContentDistribution& other)
 {
     m_nodes.swap(other.m_nodes);
     m_indices.swap(other.m_indices);
 }
 
-void ContentDistribution::append(PassRefPtr<Node> node)
+void ContentDistribution::append(PassRefPtrWillBeRawPtr<Node> node)
 {
     ASSERT(node);
     ASSERT(!isActiveInsertionPoint(*node));
     size_t size = m_nodes.size();
     m_indices.set(node.get(), size);
     m_nodes.append(node);
 }
 
 size_t ContentDistribution::find(const Node* node) const
 {
-    HashMap<const Node*, size_t>::const_iterator it = m_indices.find(node);
+    WillBeHeapHashMap<RawPtrWillBeMember<Node>, size_t>::const_iterator it = m_indices.find(const_cast<Node*>(node));
     if (it == m_indices.end())
         return kNotFound;
 
     return it.get()->value;
 }
 
 Node* ContentDistribution::nextTo(const Node* node) const
 {
-    size_t index = find(node);
+    size_t index = find(const_cast<Node*>(node));
     if (index == kNotFound || index + 1 == size())
         return 0;
     return at(index + 1).get();
 }
 
 Node* ContentDistribution::previousTo(const Node* node) const
 {
-    size_t index = find(node);
+    size_t index = find(const_cast<Node*>(node));
     if (index == kNotFound || !index)
         return 0;
     return at(index - 1).get();
 }
 
+void ContentDistribution::traceAfterDispatch(Visitor* visitor)
+{
+    visitor->trace(m_nodes);
+    visitor->trace(m_indices);
+}
+
 } // namespace WebCore