Made AudioNode an EventTarget

Source/modules/webaudio/ScriptProcessorNode.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 245 matching lines @@
 {
     m_bufferReadWriteIndex = 0;
     m_doubleBufferIndex = 0;
 
     for (unsigned i = 0; i < 2; ++i) {
         m_inputBuffers[i]->zero();
         m_outputBuffers[i]->zero();
     }
 }
 
-const AtomicString& ScriptProcessorNode::interfaceName() const
-{
-    return eventNames().interfaceForScriptProcessorNode;
-}
-
-ScriptExecutionContext* ScriptProcessorNode::scriptExecutionContext() const
-{
-    return const_cast<ScriptProcessorNode*>(this)->context()->scriptExecutionContext();
-}
-
 double ScriptProcessorNode::tailTime() const
 {
     return std::numeric_limits<double>::infinity();
 }
 
 double ScriptProcessorNode::latencyTime() const
 {
     return std::numeric_limits<double>::infinity();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)