Remove WrapperWorldType from V8 binding

Source/bindings/v8/V8Binding.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 593 matching lines @@
 
 void crashIfV8IsDead()
 {
     if (v8::V8::IsDead()) {
         // FIXME: We temporarily deal with V8 internal error situations
         // such as out-of-memory by crashing the renderer.
         CRASH();
     }
 }
 
-WrapperWorldType worldType(v8::Isolate* isolate)
-{
-    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
-    if (data->isMainThread())
-        return worldTypeInMainThread(isolate);
-    return WorkerWorld;
-}
-
-WrapperWorldType worldTypeInMainThread(v8::Isolate* isolate)
-{
-    if (!DOMWrapperWorld::isolatedWorldsExist())
-        return MainWorld;
-    ASSERT(!isolate->GetEnteredContext().IsEmpty());
-    DOMWrapperWorld* world = DOMWrapperWorld::world(isolate->GetEnteredContext());
-    if (world->isMainWorld())
-        return MainWorld;
-    return IsolatedWorld;
-}
-
 v8::Handle<v8::Function> getBoundFunction(v8::Handle<v8::Function> function)
 {
     v8::Handle<v8::Value> boundFunction = function->GetBoundFunction();
     return boundFunction->IsFunction() ? v8::Handle<v8::Function>::Cast(boundFunction) : function;
 }
 
 void addHiddenValueToArray(v8::Handle<v8::Object> object, v8::Local<v8::Value> value, int arrayIndex, v8::Isolate* isolate)
 {
     v8::Local<v8::Value> arrayValue = object->GetInternalField(arrayIndex);
     if (arrayValue->IsNull() || arrayValue->IsUndefined()) {
@@ skipping 56 matching lines @@
 V8BindingTestScope::V8BindingTestScope(v8::Isolate* isolate)
     : m_handleScope(isolate)
     , m_context(v8::Context::New(isolate))
     , m_contextScope(m_context)
     , m_world(DOMWrapperWorld::create())
     , m_perContextData(V8PerContextData::create(m_context, m_world))
 {
 }
 
 } // namespace WebCore