Oilpan: move editing objects to the heap.

Source/core/editing/ReplaceNodeWithSpanCommand.cpp

 /*
  * Copyright (c) 2009 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(PassRefPtrWillBeRawPtr<HTMLElement> element)
     : SimpleEditCommand(element->document())
     , m_elementToReplace(element)
 {
     ASSERT(m_elementToReplace);
 }
 
 static void swapInNodePreservingAttributesAndChildren(HTMLElement* newNode, HTMLElement& nodeToReplace)
 {
     ASSERT(nodeToReplace.inDocument());
-    RefPtr<ContainerNode> parentNode = nodeToReplace.parentNode();
+    RefPtrWillBeRawPtr<ContainerNode> parentNode = nodeToReplace.parentNode();
     parentNode->insertBefore(newNode, &nodeToReplace);
 
     NodeVector children;
     getChildNodes(nodeToReplace, children);
     for (size_t i = 0; i < children.size(); ++i)
         newNode->appendChild(children[i]);
 
     // FIXME: Fix this to send the proper MutationRecords when MutationObservers are present.
     newNode->cloneDataFromElement(nodeToReplace);
 
     parentNode->removeChild(&nodeToReplace, ASSERT_NO_EXCEPTION);
 }
 
 void ReplaceNodeWithSpanCommand::doApply()
 {
     if (!m_elementToReplace->inDocument())
         return;
     if (!m_spanElement)
         m_spanElement = createHTMLElement(m_elementToReplace->document(), spanTag);
     swapInNodePreservingAttributesAndChildren(m_spanElement.get(), *m_elementToReplace);
 }
 
 void ReplaceNodeWithSpanCommand::doUnapply()
 {
     if (!m_spanElement->inDocument())
         return;
     swapInNodePreservingAttributesAndChildren(m_elementToReplace.get(), *m_spanElement);
 }
 
+void ReplaceNodeWithSpanCommand::trace(Visitor* visitor)
+{
+    visitor->trace(m_elementToReplace);
+    visitor->trace(m_spanElement);
+    SimpleEditCommand::trace(visitor);
+}
+
 } // namespace WebCore