| Index: third_party/WebKit/Source/modules/mediasource/TrackDefault.h
 | 
| diff --git a/third_party/WebKit/Source/modules/mediasource/TrackDefault.h b/third_party/WebKit/Source/modules/mediasource/TrackDefault.h
 | 
| index ad64cc8cb70e5c145c211fe9fb0a1ca57bc37b76..a6aa83b665571b19773d1e49e8b5c50eb2980e80 100644
 | 
| --- a/third_party/WebKit/Source/modules/mediasource/TrackDefault.h
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| +++ b/third_party/WebKit/Source/modules/mediasource/TrackDefault.h
 | 
| @@ -15,6 +15,10 @@ class ExceptionState;
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|  class TrackDefault final : public GarbageCollectedFinalized<TrackDefault>, public ScriptWrappable {
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|      DEFINE_WRAPPERTYPEINFO();
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|  public:
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| +    static const AtomicString& audioKeyword();
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| +    static const AtomicString& videoKeyword();
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| +    static const AtomicString& textKeyword();
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| +
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|      static TrackDefault* create(const AtomicString& type, const String& language, const String& label, const Vector<String>& kinds, const String& byteStreamTrackID, ExceptionState&);
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|  
 | 
|      virtual ~TrackDefault();
 | 
| 
 |