| Index: Source/core/css/CSSPropertySourceData.h | 
| diff --git a/Source/core/css/CSSPropertySourceData.h b/Source/core/css/CSSPropertySourceData.h | 
| index 1f1a6303147a30a8553936e44bd2851d761c69c1..183e5f851d7ae216a2ffc468b5cc509718c88b6f 100644 | 
| --- a/Source/core/css/CSSPropertySourceData.h | 
| +++ b/Source/core/css/CSSPropertySourceData.h | 
| @@ -181,5 +181,6 @@ struct CSSRuleSourceData : public RefCountedWillBeGarbageCollected<CSSRuleSource | 
|  | 
| WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::SourceRange); | 
| WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSPropertySourceData); | 
| +WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSMediaQueryExpSourceData); | 
|  | 
| #endif // CSSPropertySourceData_h | 
|  |