Oilpan: Support nested pre-finalizers

Source/modules/webaudio/AudioNode.cpp

 /*
  * Copyright (C) 2010, 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:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 500 matching lines @@
     // there's no reason other nodes should ever call this function.
     ASSERT_WITH_MESSAGE(1, "numberOfOutputChannels() not valid for node type %d", nodeType());
     return 1;
 }
 // ----------------------------------------------------------------
 
 AudioNode::AudioNode(AudioContext& context)
     : m_context(context)
     , m_handler(nullptr)
 {
-    ThreadState::current()->registerPreFinalizer(*this);
+    ThreadState::current()->registerPreFinalizer(this);
 }
 
 void AudioNode::dispose()
 {
     ASSERT(isMainThread());
     AudioContext::AutoLocker locker(context());
     handler().dispose();
     if (context()->contextState() == AudioContext::Running)
         context()->deferredTaskHandler().addRenderingOrphanHandler(m_handler.release());
 }
@@ skipping 398 matching lines @@
 {
     m_connectedNodes.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedNodes.size());
     m_connectedParams.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedParams.size());
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)