Web Audio: Change the argument of AudioNode::addOutput().

Source/modules/webaudio/OscillatorNode.cpp

 /*
  * Copyright (C) 2012, 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 43 matching lines @@
 {
     // Use musical pitch standard A440 as a default.
     m_frequency = AudioParam::create(context, 440);
     // Default to no detuning.
     m_detune = AudioParam::create(context, 0);
 
     // Sets up default wavetable.
     setType(m_type);
 
     // An oscillator is always mono.
-    addOutput(AudioNodeOutput::create(this, 1));
+    addOutput(1);
 
     initialize();
 }
 
 OscillatorNode::~OscillatorNode()
 {
     ASSERT(!isInitialized());
 }
 
 void OscillatorNode::dispose()
@@ skipping 269 matching lines @@
 {
     visitor->trace(m_frequency);
     visitor->trace(m_detune);
     visitor->trace(m_periodicWave);
     AudioScheduledSourceNode::trace(visitor);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)