Remove isolated world parameters from event listener attributes

Source/modules/webaudio/AudioScheduledSourceNode.h

 /*
  * 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
@@ skipping 59 matching lines @@
     // Scheduling.
     void start(ExceptionState& exceptionState) { start(0.0, exceptionState); }
     void start(double when, ExceptionState&);
     void stop(ExceptionState& exceptionState) { stop(0.0, exceptionState); }
     void stop(double when, ExceptionState&);
 
     unsigned short playbackState() const { return static_cast<unsigned short>(m_playbackState); }
     bool isPlayingOrScheduled() const { return m_playbackState == PLAYING_STATE || m_playbackState == SCHEDULED_STATE; }
     bool hasFinished() const { return m_playbackState == FINISHED_STATE; }
 
-    EventListener* onended(DOMWrapperWorld* isolatedWorld) { return getAttributeEventListener(EventTypeNames::ended, isolatedWorld); }
-    void setOnended(PassRefPtr<EventListener>, DOMWrapperWorld* isolatedWorld = 0);
+    EventListener* onended() { return getAttributeEventListener(EventTypeNames::ended); }
+    void setOnended(PassRefPtr<EventListener>);
 
 protected:
     // Get frame information for the current time quantum.
     // We handle the transition into PLAYING_STATE and FINISHED_STATE here,
     // zeroing out portions of the outputBus which are outside the range of startFrame and endFrame.
     //
     // Each frame time is relative to the context's currentSampleFrame().
     // quantumFrameOffset    : Offset frame in this time quantum to start rendering.
     // nonSilentFramesToProcess : Number of frames rendering non-silence (will be <= quantumFrameSize).
     void updateSchedulingInfo(size_t quantumFrameSize,
@@ skipping 17 matching lines @@
     double m_endTime; // in seconds
 
     bool m_hasEndedListener;
 
     static const double UnknownTime;
 };
 
 } // namespace WebCore
 
 #endif // AudioScheduledSourceNode_h