| Index: Source/core/dom/MutationRecord.idl | 
| diff --git a/Source/core/dom/MutationRecord.idl b/Source/core/dom/MutationRecord.idl | 
| index 8880c84824ef6d827ad1c0b8e65f3416fcd251f5..0ca53dc12384583c7907d6a5d074796cb9932247 100644 | 
| --- a/Source/core/dom/MutationRecord.idl | 
| +++ b/Source/core/dom/MutationRecord.idl | 
| @@ -35,8 +35,8 @@ | 
| ] interface MutationRecord { | 
| readonly attribute DOMString type; | 
| readonly attribute Node target; | 
| -    readonly attribute NodeList addedNodes; | 
| -    readonly attribute NodeList removedNodes; | 
| +    [SameObject] readonly attribute NodeList addedNodes; | 
| +    [SameObject] readonly attribute NodeList removedNodes; | 
| readonly attribute Node? previousSibling; | 
| readonly attribute Node? nextSibling; | 
| readonly attribute DOMString? attributeName; | 
|  |