WebKit merge 41660:41709 (WebKit side)....

third_party/WebKit/WebCore/bindings/js/ScriptValue.h

 /*
  * Copyright (c) 2008, 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 24 matching lines @@
 #include "ScriptState.h"
 #include <runtime/Protect.h>
 
 namespace WebCore {
 
 class String;
 
 class ScriptValue {
 public:
     ScriptValue(JSC::JSValuePtr value = JSC::noValue()) : m_value(value) {}
+    virtual ~ScriptValue() {}
 
     JSC::JSValuePtr jsValue() const { return m_value.get(); }
     bool getString(String& result) const;
     String toString(ScriptState* scriptState) const { return m_value.get().toString(scriptState); }
     bool isNull() const;
     bool isUndefined() const;
     bool hasNoValue() const { return m_value == JSC::noValue(); }
 
 private:
     JSC::ProtectedJSValuePtr m_value;
 };
 
 } // namespace WebCore
 
 #endif // ScriptValue_h