| Index: sdk/lib/html/dartium/html_dartium.dart | 
| diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart | 
| index ec2657aa32ebbf37bbb3fd47be954523de7f5c94..edb3411e1cf4540588ed03d8bfa4f7ed0ba0d363 100644 | 
| --- a/sdk/lib/html/dartium/html_dartium.dart | 
| +++ b/sdk/lib/html/dartium/html_dartium.dart | 
| @@ -30154,12 +30154,12 @@ class Url extends NativeFieldWrapperClass2 implements UrlUtils { | 
| if ((blob_OR_source_OR_stream is Blob || blob_OR_source_OR_stream == null)) { | 
| return _blink.BlinkURL.createObjectURL_Callback_Blob(blob_OR_source_OR_stream); | 
| } | 
| -    if ((blob_OR_source_OR_stream is MediaStream)) { | 
| -      return _blink.BlinkURL.createObjectURL_Callback_MediaStream(blob_OR_source_OR_stream); | 
| -    } | 
| if ((blob_OR_source_OR_stream is MediaSource)) { | 
| return _blink.BlinkURL.createObjectURL_Callback_MediaSource(blob_OR_source_OR_stream); | 
| } | 
| +    if ((blob_OR_source_OR_stream is MediaStream)) { | 
| +      return _blink.BlinkURL.createObjectURL_Callback_MediaStream(blob_OR_source_OR_stream); | 
| +    } | 
| throw new ArgumentError("Incorrect number or type of arguments"); | 
| } | 
|  | 
|  |