| Index: Source/core/css/CSSFontFaceSrcValue.h
 | 
| diff --git a/Source/core/css/CSSFontFaceSrcValue.h b/Source/core/css/CSSFontFaceSrcValue.h
 | 
| index 9129f1c9b4d584ddeaa995ffb2403c09dfc10d32..992448e98911f846a1a48590f6778edcc94e5795 100644
 | 
| --- a/Source/core/css/CSSFontFaceSrcValue.h
 | 
| +++ b/Source/core/css/CSSFontFaceSrcValue.h
 | 
| @@ -95,6 +95,12 @@ private:
 | 
|  #endif
 | 
|  };
 | 
|  
 | 
| +inline CSSFontFaceSrcValue* toCSSFontFaceSrcValue(CSSValue* value)
 | 
| +{
 | 
| +    ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isFontFaceSrcValue());
 | 
| +    return static_cast<CSSFontFaceSrcValue*>(value);
 | 
| +}
 | 
| +
 | 
|  }
 | 
|  
 | 
|  #endif
 | 
| 
 |