| Index: Source/modules/websockets/WebSocket.idl | 
| diff --git a/Source/modules/websockets/WebSocket.idl b/Source/modules/websockets/WebSocket.idl | 
| index b5a4ca9494bb678de932eef207d0e0bb5ae89d3f..a7a245c9077f6a942760aaf6b54f1fb2f875601d 100644 | 
| --- a/Source/modules/websockets/WebSocket.idl | 
| +++ b/Source/modules/websockets/WebSocket.idl | 
| @@ -38,7 +38,7 @@ | 
| GlobalContext=Window&WorkerGlobalScope, | 
| RaisesException=Constructor, | 
| ] interface WebSocket : EventTarget { | 
| -    readonly attribute DOMString URL; // Lowercased .url is the one in the spec, but leaving .URL for compatibility reasons. | 
| +    [MeasureAs=WebSocketURL] readonly attribute DOMString URL; // Lowercased .url is the one in the spec, but leaving .URL for compatibility reasons. | 
| readonly attribute DOMString url; | 
|  | 
| // ready state | 
|  |