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

Source/modules/webaudio/PannerNode.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 48 matching lines @@
     , m_cachedAzimuth(0)
     , m_cachedElevation(0)
     , m_cachedDistanceConeGain(1.0f)
     , m_cachedDopplerRate(1)
 {
     // Load the HRTF database asynchronously so we don't block the Javascript thread while creating the HRTF database.
     // The HRTF panner will return zeroes until the database is loaded.
     listener()->createAndLoadHRTFDatabaseLoader(context->sampleRate());
 
     addInput();
-    addOutput(AudioNodeOutput::create(this, 2));
+    addOutput(2);
 
     // Node-specific default mixing rules.
     m_channelCount = 2;
     m_channelCountMode = ClampedMax;
     m_channelInterpretation = AudioBus::Speakers;
 
     initialize();
 }
 
 PannerNode::~PannerNode()
@@ skipping 503 matching lines @@
 
 DEFINE_TRACE(PannerNode)
 {
     visitor->trace(m_panner);
     AudioNode::trace(visitor);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)