Remove V8HiddenPropertyName

Source/bindings/v8/custom/V8ErrorEventCustom.cpp

Index: Source/bindings/v8/custom/V8ErrorEventCustom.cpp
diff --git a/Source/bindings/v8/custom/V8ErrorEventCustom.cpp b/Source/bindings/v8/custom/V8ErrorEventCustom.cpp
index 01ed71acdacf4a30c7784766156695687e54623d..cef48738f42970df33377c513c140ec0b6a772a2 100644
--- a/Source/bindings/v8/custom/V8ErrorEventCustom.cpp
+++ b/Source/bindings/v8/custom/V8ErrorEventCustom.cpp
@@ -39,14 +39,13 @@
 #include "bindings/v8/SerializedScriptValue.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8DOMWrapper.h"
-#include "bindings/v8/V8HiddenPropertyName.h"
 #include "core/dom/ContextFeatures.h"
 
 namespace WebCore {
 
 void V8ErrorEvent::errorAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Value> error = info.Holder()->GetHiddenValue(V8HiddenPropertyName::error(info.GetIsolate()));
+    v8::Handle<v8::Value> error = getHiddenValue(info.Holder(), v8AtomicString(info.GetIsolate(), "error"));
 
     if (!error.IsEmpty()) {
         v8SetReturnValue(info, error);