[DevTools] Remove ScriptDebugListener from V8Debugger.

Source/core/inspector/WorkerThreadDebugger.cpp

 /*
  * Copyright (c) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThread.h"
 #include "wtf/MessageQueue.h"
 #include <v8.h>
 
 namespace blink {
 
 static const char* workerContextDebugId = "[worker]";
 
 WorkerThreadDebugger::WorkerThreadDebugger(WorkerGlobalScope* workerGlobalScope)
-    : ScriptDebuggerBase(v8::Isolate::GetCurrent(), V8Debugger::create(v8::Isolate::GetCurrent(), this))
+    : ScriptDebuggerBase(v8::Isolate::GetCurrent())
     , m_listener(nullptr)
     , m_workerGlobalScope(workerGlobalScope)
 {
 }
 
 WorkerThreadDebugger::~WorkerThreadDebugger()
 {
 }
 
 DEFINE_TRACE(WorkerThreadDebugger)
@@ skipping 46 matching lines @@
     if (m_listener)
         m_listener->didContinue();
 }
 
 void WorkerThreadDebugger::quitMessageLoopOnPause()
 {
     // Nothing to do here in case of workers since runMessageLoopOnPause will check for paused state after each debugger command.
 }
 
 } // namespace blink