Remove WrapperWorldType from V8 binding

Source/bindings/v8/V8ErrorHandler.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:
  *
  *     * 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 55 matching lines @@
         v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(listener);
         v8::Local<v8::Object> thisValue = isolate->GetCurrentContext()->Global();
 
         v8::Local<v8::Value> error = V8HiddenValue::getHiddenValue(isolate, jsEvent->ToObject(), V8HiddenValue::error(isolate));
         if (error.IsEmpty())
             error = v8::Null(isolate);
 
         v8::Handle<v8::Value> parameters[5] = { v8String(isolate, errorEvent->message()), v8String(isolate, errorEvent->filename()), v8::Integer::New(isolate, errorEvent->lineno()), v8::Integer::New(isolate, errorEvent->colno()), error };
         v8::TryCatch tryCatch;
         tryCatch.SetVerbose(true);
-        if (worldType(isolate) == WorkerWorld)
+        if (DOMWrapperWorld::current(isolate)->isWorkerWorld())
             returnValue = V8ScriptRunner::callFunction(callFunction, context, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, isolate);
         else
             returnValue = ScriptController::callFunction(context, callFunction, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, isolate);
     }
     return returnValue;
 }
 
 // static
 void V8ErrorHandler::storeExceptionOnErrorEventWrapper(ErrorEvent* event, v8::Handle<v8::Value> data, v8::Isolate* isolate)
 {
     v8::Local<v8::Value> wrappedEvent = toV8(event, v8::Handle<v8::Object>(), isolate);
     if (!wrappedEvent.IsEmpty()) {
         ASSERT(wrappedEvent->IsObject());
         V8HiddenValue::setHiddenValue(isolate, v8::Local<v8::Object>::Cast(wrappedEvent), V8HiddenValue::error(isolate), data);
     }
 }
 
 bool V8ErrorHandler::shouldPreventDefault(v8::Local<v8::Value> returnValue)
 {
     return returnValue->IsBoolean() && returnValue->BooleanValue();
 }
 
 } // namespace WebCore