| Index: Source/core/html/HTMLDocument.idl | 
| diff --git a/Source/core/html/HTMLDocument.idl b/Source/core/html/HTMLDocument.idl | 
| index a5fef5ca7876a5d9cdb532edd4ea1171bfca8b39..f695ad5650bf37afdc6e98814d3194fbfacbc3fc 100644 | 
| --- a/Source/core/html/HTMLDocument.idl | 
| +++ b/Source/core/html/HTMLDocument.idl | 
| @@ -24,9 +24,6 @@ | 
| // https://html.spec.whatwg.org/#the-window-object | 
|  | 
| interface HTMLDocument : Document { | 
| -    // FIXME: This shadows the compatMode on the Document interface. | 
| -    readonly attribute DOMString compatMode; | 
| - | 
| // https://html.spec.whatwg.org/#the-document-object | 
| // TODO(philipj): The below should be moved to Document. crbug.com/496376 | 
|  | 
|  |