Make DOMWrapperWorld::current() callable from workers

Source/bindings/v8/V8WindowShell.h

 /*
  * Copyright (C) 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 62 matching lines @@
     bool isContextInitialized() { return m_contextHolder; }
     bool isGlobalInitialized() { return !m_global.isEmpty(); }
 
     bool initializeIfNeeded();
     void updateDocumentWrapper(v8::Handle<v8::Object> wrapper);
 
     void clearForNavigation();
     void clearForClose(bool destroyGlobal);
 
     DOMWrapperWorld* world() { return m_world.get(); }
-    static bool contextHasCorrectPrototype(v8::Handle<v8::Context>);
+
+    // FIXME: Remove this method (crbug.com/345014).
+    static bool contextIsBeingInitialized();
 
 private:
     V8WindowShell(LocalFrame*, PassRefPtr<DOMWrapperWorld>, v8::Isolate*);
     bool initialize();
 
     enum GlobalDetachmentBehavior {
         DoNotDetachGlobal,
         DetachGlobal
     };
     void disposeContext(GlobalDetachmentBehavior);
@@ skipping 19 matching lines @@
     OwnPtr<V8PerContextData> m_perContextData;
 
     OwnPtr<gin::ContextHolder> m_contextHolder;
     ScopedPersistent<v8::Object> m_global;
     ScopedPersistent<v8::Object> m_document;
 };
 
 } // namespace WebCore
 
 #endif // V8WindowShell_h