| Index: Source/core/html/track/TextTrack.h | 
| diff --git a/Source/core/html/track/TextTrack.h b/Source/core/html/track/TextTrack.h | 
| index 137b6439d2685470fde346dc61fd35b11c8b057a..b90c943d9ff17a35c194e4f797131a9b3fffc5b4 100644 | 
| --- a/Source/core/html/track/TextTrack.h | 
| +++ b/Source/core/html/track/TextTrack.h | 
| @@ -65,6 +65,7 @@ public: | 
| static const AtomicString& chaptersKeyword(); | 
| static const AtomicString& metadataKeyword(); | 
| static bool isValidKindKeyword(const AtomicString&); | 
| +    static bool isValidKindKeyword(const String&); | 
|  | 
| static const AtomicString& disabledKeyword(); | 
| static const AtomicString& hiddenKeyword(); | 
|  |