Remove existingWindowShellWorkaroundWorld

Source/bindings/v8/DOMWrapperWorld.h

Index: Source/bindings/v8/DOMWrapperWorld.h
diff --git a/Source/bindings/v8/DOMWrapperWorld.h b/Source/bindings/v8/DOMWrapperWorld.h
index 201e019309f7258a804a628df60164023c960b2f..baf951eebe564036d54b20f4f9cee22bc41c43f9 100644
--- a/Source/bindings/v8/DOMWrapperWorld.h
+++ b/Source/bindings/v8/DOMWrapperWorld.h
@@ -124,15 +124,10 @@ private:
     OwnPtr<DOMDataStore> m_domDataStore;
 
     friend DOMWrapperWorld* mainThreadNormalWorld();
-    friend DOMWrapperWorld* existingWindowShellWorkaroundWorld();
 };
 
 DOMWrapperWorld* mainThreadNormalWorld();
 
-// FIXME: this is a workaround for a problem in ScriptController
-// Do not use this anywhere else!!
-DOMWrapperWorld* existingWindowShellWorkaroundWorld();
-
 } // namespace WebCore
 
 #endif // DOMWrapperWorld_h