1 files changed, 2 insertions, 4 deletions
diff --git a/chromium/third_party/WebKit/Source/core/html/track/TextTrackList.idl b/chromium/third_party/WebKit/Source/core/html/track/TextTrackList.idl
index bbcd2d96499..8fbc775a993 100644
--- a/chromium/third_party/WebKit/Source/core/html/track/TextTrackList.idl
+++ b/chromium/third_party/WebKit/Source/core/html/track/TextTrackList.idl
@@ -24,15 +24,13 @@
  */
 
 [
-    GenerateVisitDOMWrapper=owner,
-    RuntimeEnabled=VideoTrack,
+    SetWrapperReferenceFrom=owner,
 ] interface TextTrackList : EventTarget {
     readonly attribute unsigned long length;
     getter TextTrack item(unsigned long index);
-    TextTrack getTrackById(DOMString id);
+    TextTrack? getTrackById(DOMString id);
 
     attribute EventHandler onaddtrack;
     attribute EventHandler onchange;
     attribute EventHandler onremovetrack;
 };
-