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

Source/modules/webaudio/ChannelMergerNode.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
@@ skipping 43 matching lines @@
 {
     // These properties are fixed for the node and cannot be changed by user.
     m_channelCount = 1;
     m_channelCountMode = Explicit;
 
     // Create the requested number of inputs.
     for (unsigned i = 0; i < numberOfInputs; ++i)
         addInput();
 
     // Create the output with the requested number of channels.
-    addOutput(AudioNodeOutput::create(this, numberOfInputs));
+    addOutput(numberOfInputs);
 
     initialize();
 }
 
 void ChannelMergerNode::process(size_t framesToProcess)
 {
     AudioNodeOutput* output = this->output(0);
     ASSERT(output);
     ASSERT_UNUSED(framesToProcess, framesToProcess == output->bus()->length());
 
@@ skipping 51 matching lines @@
             ExceptionMessages::failedToSet(
                 "channelCountMode",
                 "ChannelMergerNode",
                 "channelCountMode cannot be changed"));
     }
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)