| Index: LayoutTests/media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html | 
| diff --git a/LayoutTests/media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html b/LayoutTests/media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html | 
| index 1ac45318e6d28dcafbb9cef77cb5e27ced869170..cf9a76addba448e9a7cbe95a98d5a916860ab0b1 100644 | 
| --- a/LayoutTests/media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html | 
| +++ b/LayoutTests/media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html | 
| @@ -72,7 +72,8 @@ | 
| waitForEventAndRunStep('needkey', video, onNeedKey, test); | 
| waitForEventAndRunStep('playing', video, onPlaying, test); | 
|  | 
| -                    video.setMediaKeys(mediaKeys); | 
| +                    return video.setMediaKeys(mediaKeys); | 
| +                }).then(function(result) { | 
| video.src = '../content/test-encrypted.webm'; | 
| video.play(); | 
| }).catch(function(error) { | 
|  |