Inherit EventTarget interface instead of duplicating its code

Source/bindings/v8/WorkerScriptController.cpp

 /*
  * Copyright (C) 2009, 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:
  *
  *     * 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 106 matching lines @@
     WrapperTypeInfo* contextType = &V8DedicatedWorkerGlobalScope::info;
     if (!m_workerGlobalScope->isDedicatedWorkerGlobalScope())
         contextType = &V8SharedWorkerGlobalScope::info;
     v8::Handle<v8::Function> workerGlobalScopeConstructor = m_perContextData->constructorForType(contextType);
     v8::Local<v8::Object> jsWorkerGlobalScope = V8ObjectConstructor::newInstance(workerGlobalScopeConstructor);
     if (jsWorkerGlobalScope.IsEmpty()) {
         disposeContext();
         return false;
     }
 
-    V8DOMWrapper::associateObjectWithWrapper(PassRefPtr<WorkerGlobalScope>(m_workerGlobalScope), contextType, jsWorkerGlobalScope, m_isolate, WrapperConfiguration::Dependent);
+    V8DOMWrapper::associateObjectWithWrapper<V8WorkerGlobalScope>(PassRefPtr<WorkerGlobalScope>(m_workerGlobalScope), contextType, jsWorkerGlobalScope, m_isolate, WrapperConfiguration::Dependent);
 
     // Insert the object instance as the prototype of the shadow object.
     v8::Handle<v8::Object> globalObject = v8::Handle<v8::Object>::Cast(m_context.newLocal(m_isolate)->Global()->GetPrototype());
     globalObject->SetPrototype(jsWorkerGlobalScope);
 
     return true;
 }
 
 ScriptValue WorkerScriptController::evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition, WorkerGlobalScopeExecutionState* state)
 {
@@ skipping 110 matching lines @@
     v8::Handle<v8::Object> global = context->Global();
     global = global->FindInstanceInPrototypeChain(V8WorkerGlobalScope::GetTemplate(context->GetIsolate(), WorkerWorld));
     // Return 0 if the current executing context is not the worker context.
     if (global.IsEmpty())
         return 0;
     WorkerGlobalScope* workerGlobalScope = V8WorkerGlobalScope::toNative(global);
     return workerGlobalScope->script();
 }
 
 } // namespace WebCore