InlinedVisitor: Migrate dom to use inlined tracing

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 139 matching lines @@
 #if ENABLE(ASSERT)
     if (result) {
         ASSERT(!m_previousSibling);
         ASSERT(!m_nextSibling);
         ASSERT(!m_lastAdded);
     }
 #endif
     return result;
 }
 
-void ChildListMutationAccumulator::trace(Visitor* visitor)
+DEFINE_TRACE(ChildListMutationAccumulator)
 {
     visitor->trace(m_target);
     visitor->trace(m_removedNodes);
     visitor->trace(m_addedNodes);
     visitor->trace(m_previousSibling);
     visitor->trace(m_nextSibling);
     visitor->trace(m_lastAdded);
     visitor->trace(m_observers);
 }
 
 } // namespace blink