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

Source/modules/webaudio/StereoPannerNode.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/StereoPannerNode.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/webaudio/AudioContext.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "platform/audio/StereoPanner.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 StereoPannerNode::StereoPannerNode(AudioContext* context, float sampleRate)
     : AudioNode(NodeTypeStereoPanner, context, sampleRate)
     , m_sampleAccuratePanValues(AudioNode::ProcessingSizeInFrames)
 {
     m_pan = AudioParam::create(context, 0);
 
     addInput();
-    addOutput(AudioNodeOutput::create(this, 2));
+    addOutput(2);
 
     // The node-specific default mixing rules declare that StereoPannerNode
     // can handle mono to stereo and stereo to stereo conversion.
     m_channelCount = 2;
     m_channelCountMode = ClampedMax;
     m_channelInterpretation = AudioBus::Speakers;
 
     initialize();
 }
 
@@ skipping 114 matching lines @@
 DEFINE_TRACE(StereoPannerNode)
 {
     visitor->trace(m_stereoPanner);
     visitor->trace(m_pan);
     AudioNode::trace(visitor);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)