1 files changed, 1 insertions, 1 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/JSVariableObject.h b/src/3rdparty/webkit/JavaScriptCore/runtime/JSVariableObject.h
index 84ffe6c..35899aa 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/JSVariableObject.h
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/JSVariableObject.h
@@ -48,7 +48,7 @@ namespace JSC {
 
         virtual void putWithAttributes(ExecState*, const Identifier&, JSValue, unsigned attributes) = 0;
 
-        virtual bool deleteProperty(ExecState*, const Identifier&);
+        virtual bool deleteProperty(ExecState*, const Identifier&, bool checkDontDelete = true);
         virtual void getPropertyNames(ExecState*, PropertyNameArray&, bool includeNonEnumerable = false);
         
         virtual bool isVariableObject() const;