| Index: Source/core/dom/KeyboardEvent.h
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| diff --git a/Source/core/dom/KeyboardEvent.h b/Source/core/dom/KeyboardEvent.h
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| index 1900174aa7f5dcc608cbb6eb08311275bb10ee7a..f16d805c0e477ea1abc494b63efc43763438ea41 100644
 | 
| --- a/Source/core/dom/KeyboardEvent.h
 | 
| +++ b/Source/core/dom/KeyboardEvent.h
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| @@ -123,6 +123,12 @@ private:
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|      virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
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|  };
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|  
 | 
| +inline KeyboardEvent* toKeyboardEvent(Event* event)
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| +{
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| +    ASSERT_WITH_SECURITY_IMPLICATION(!event || event->isKeyboardEvent());
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| +    return static_cast<KeyboardEvent*>(event);
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| +}
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| +
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|  } // namespace WebCore
 | 
|  
 | 
|  #endif // KeyboardEvent_h
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| 
 |