Oilpan: move mutation observers to the Oilpan heap.

Source/core/dom/ChildListMutationScope.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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "core/dom/MutationObserverInterestGroup.h"
 #include "core/dom/MutationRecord.h"
 #include "core/dom/StaticNodeList.h"
 #include "wtf/HashMap.h"
 #include "wtf/StdLibExtras.h"
 
 namespace WebCore {
 
 typedef HashMap<Node*, ChildListMutationAccumulator*> AccumulatorMap;
+
 static AccumulatorMap& accumulatorMap()
 {
     DEFINE_STATIC_LOCAL(AccumulatorMap, map, ());
     return map;
 }
 
-ChildListMutationAccumulator::ChildListMutationAccumulator(PassRefPtr<Node> target, PassOwnPtr<MutationObserverInterestGroup> observers)
+ChildListMutationAccumulator::ChildListMutationAccumulator(PassRefPtr<Node> target, PassOwnPtrWillBeRawPtr<MutationObserverInterestGroup> observers)
     : m_target(target)
     , m_lastAdded(0)
     , m_observers(observers)
 {
 }
 
 ChildListMutationAccumulator::~ChildListMutationAccumulator()
 {
     if (!isEmpty())
         enqueueMutationRecord();
@@ skipping 60 matching lines @@
     m_removedNodes.append(child.release());
 }
 
 void ChildListMutationAccumulator::enqueueMutationRecord()
 {
     ASSERT(hasObservers());
     ASSERT(!isEmpty());
 
     RefPtr<NodeList> addedNodes = StaticNodeList::adopt(m_addedNodes);
     RefPtr<NodeList> removedNodes = StaticNodeList::adopt(m_removedNodes);
-    RefPtr<MutationRecord> record = MutationRecord::createChildList(m_target, addedNodes.release(), removedNodes.release(), m_previousSibling.release(), m_nextSibling.release());
+    RefPtrWillBeRawPtr<MutationRecord> record = MutationRecord::createChildList(m_target, addedNodes.release(), removedNodes.release(), m_previousSibling.release(), m_nextSibling.release());
     m_observers->enqueueMutationRecord(record.release());
     m_lastAdded = 0;
     ASSERT(isEmpty());
 }
 
 bool ChildListMutationAccumulator::isEmpty()
 {
     bool result = m_removedNodes.isEmpty() && m_addedNodes.isEmpty();
 #ifndef NDEBUG
     if (result) {
         ASSERT(!m_previousSibling);
         ASSERT(!m_nextSibling);
         ASSERT(!m_lastAdded);
     }
 #endif
     return result;
 }
 
 } // namespace WebCore