| Index: LayoutTests/webexposed/global-constructors-listing-expected.txt | 
| diff --git a/LayoutTests/webexposed/global-constructors-listing-expected.txt b/LayoutTests/webexposed/global-constructors-listing-expected.txt | 
| index ed763e2d71eb7e325b6180bd822a4bf1d80914d5..fa656fac20ef46ca1dd7889efa0a0c2804088e59 100644 | 
| --- a/LayoutTests/webexposed/global-constructors-listing-expected.txt | 
| +++ b/LayoutTests/webexposed/global-constructors-listing-expected.txt | 
| @@ -197,6 +197,7 @@ MediaList | 
| MediaStreamAudioDestinationNode | 
| MediaStreamAudioSourceNode | 
| MediaStreamEvent | 
| +MediaStreamTrack | 
| MessageChannel | 
| MessageEvent | 
| MessagePort | 
|  |