Index: Source/core/html/track/TextTrack.h |
diff --git a/Source/core/html/track/TextTrack.h b/Source/core/html/track/TextTrack.h |
index 86f1e30191bdc1b55c87acae53377111a1ea589c..31cad36b9befe950e9c2de2dd7e4e8514aa49d8c 100644 |
--- a/Source/core/html/track/TextTrack.h |
+++ b/Source/core/html/track/TextTrack.h |
@@ -140,6 +140,8 @@ private: |
bool m_hasBeenConfigured; |
}; |
+DEFINE_TRACK_TYPE_CASTS(TextTrack, TrackBase::TextTrack); |
+ |
} // namespace WebCore |
#endif |