Tried to move AudioSummingJuction to oilpan

Source/modules/webaudio/DynamicsCompressorNode.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:
  * 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 24 matching lines @@
 
 // Set output to stereo by default.
 static const unsigned defaultNumberOfOutputChannels = 2;
 
 namespace WebCore {
 
 DynamicsCompressorNode::DynamicsCompressorNode(AudioContext* context, float sampleRate)
     : AudioNode(context, sampleRate)
 {
     ScriptWrappable::init(this);
-    addInput(adoptPtr(new AudioNodeInput(this)));
+    addInput(adoptPtrWillBeNoop(new AudioNodeInput(this)));
     addOutput(adoptPtr(new AudioNodeOutput(this, defaultNumberOfOutputChannels)));
 
     setNodeType(NodeTypeDynamicsCompressor);
 
     m_threshold = AudioParam::create(context, "threshold", -24, -100, 0);
     m_knee = AudioParam::create(context, "knee", 30, 0, 40);
     m_ratio = AudioParam::create(context, "ratio", 12, 1, 20);
     m_reduction = AudioParam::create(context, "reduction", 0, -20, 0);
     m_attack = AudioParam::create(context, "attack", 0.003, 0, 1);
     m_release = AudioParam::create(context, "release", 0.250, 0, 1);
@@ skipping 50 matching lines @@
 double DynamicsCompressorNode::tailTime() const
 {
     return m_dynamicsCompressor->tailTime();
 }
 
 double DynamicsCompressorNode::latencyTime() const
 {
     return m_dynamicsCompressor->latencyTime();
 }
 
+void DynamicsCompressorNode::trace(Visitor* visitor)
+{
+    visitor->trace(m_threshold);
+    visitor->trace(m_knee);
+    visitor->trace(m_ratio);
+    visitor->trace(m_reduction);
+    visitor->trace(m_attack);
+    visitor->trace(m_release);
+    AudioNode::trace(visitor);
+}
+
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)