Remove V8HiddenPropertyName

Source/bindings/v8/V8PerIsolateData.h

Index: Source/bindings/v8/V8PerIsolateData.h
diff --git a/Source/bindings/v8/V8PerIsolateData.h b/Source/bindings/v8/V8PerIsolateData.h
index 15416658723957d386f7a3caa73aafa0ee7ce7aa..28dcd09b7f85cc4a91dbac6fc0f4f12257a0bcd6 100644
--- a/Source/bindings/v8/V8PerIsolateData.h
+++ b/Source/bindings/v8/V8PerIsolateData.h
@@ -41,7 +41,6 @@ namespace WebCore {
 class DOMDataStore;
 class GCEventData;
 class StringCache;
-class V8HiddenPropertyName;
 struct WrapperTypeInfo;
 
 class ExternalStringVisitor;
@@ -85,8 +84,6 @@ public:
 
     DOMDataList& allStores() { return m_domDataList; }
 
-    V8HiddenPropertyName* hiddenPropertyName() { return m_hiddenPropertyName.get(); }
-
     void registerDOMDataStore(DOMDataStore* domDataStore)
     {
         ASSERT(m_domDataList.find(domDataStore) == kNotFound);
@@ -151,7 +148,6 @@ private:
     Vector<DOMDataStore*> m_domDataList;
     DOMDataStore* m_workerDomDataStore;
 
-    OwnPtr<V8HiddenPropertyName> m_hiddenPropertyName;
     ScopedPersistent<v8::Value> m_liveRoot;
     ScopedPersistent<v8::Context> m_regexContext;