AudioNodeOutput::disconnectAll() should be called in AudioNode::dispose()

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 92 matching lines @@
 {
     m_isInitialized = false;
 }
 
 void AudioNode::dispose()
 {
     ASSERT(isMainThread());
     ASSERT(context()->isGraphOwner());
 
     context()->removeAutomaticPullNode(this);
-#if ENABLE(OILPAN)
     for (unsigned i = 0; i < m_outputs.size(); ++i)
         output(i)->disconnectAll();
-#endif
     context()->unmarkDirtyNode(*this);
 #if ENABLE(ASSERT)
     m_didCallDispose = true;
 #endif
 }
 
 String AudioNode::nodeTypeName() const
 {
     switch (m_nodeType) {
     case NodeTypeDestination:
@@ skipping 474 matching lines @@
     ASSERT(context()->isGraphOwner());
 
     ASSERT(m_normalRefCount > 0);
     atomicDecrement(&m_normalRefCount);
 
 #if DEBUG_AUDIONODE_REFERENCES
     fprintf(stderr, "%p: %d: AudioNode::deref() %d %d\n", this, nodeType(), m_normalRefCount, m_connectionRefCount);
 #endif
 
     if (!m_normalRefCount && !m_isMarkedForDeletion) {
-        // All references are gone - we need to go away.
-        for (unsigned i = 0; i < m_outputs.size(); ++i)
-            output(i)->disconnectAll(); // This will deref() nodes we're connected to.
-
         // Mark for deletion at end of each render quantum or when context shuts
         // down.
         context()->markForDeletion(this);
         m_isMarkedForDeletion = true;
     }
 }
 #endif
 
 #if DEBUG_AUDIONODE_REFERENCES
 
@@ skipping 19 matching lines @@
 {
     visitor->trace(m_context);
     visitor->trace(m_inputs);
     visitor->trace(m_outputs);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)