Delete WorldContextHandle in favor of DOMWrapperWorld

Source/bindings/v8/V8WorkerContextEventListener.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 98 matching lines @@
 }
 
 v8::Local<v8::Object> V8WorkerContextEventListener::getReceiverObject(ScriptExecutionContext* context, Event* event)
 {
     v8::Local<v8::Object> listener = getListenerObject(context);
 
     if (!listener.IsEmpty() && !listener->IsFunction())
         return listener;
 
     EventTarget* target = event->currentTarget();
-    v8::Handle<v8::Value> value = toV8(target, v8::Handle<v8::Object>(), toV8Context(context, worldContext())->GetIsolate());
+    v8::Handle<v8::Value> value = toV8(target, v8::Handle<v8::Object>(), toV8Context(context, world())->GetIsolate());
     if (value.IsEmpty())
         return v8::Local<v8::Object>();
     return v8::Local<v8::Object>::New(v8::Handle<v8::Object>::Cast(value));
 }
 
 } // namespace WebCore