| Index: Source/core/storage/Storage.idl | 
| diff --git a/Source/core/storage/Storage.idl b/Source/core/storage/Storage.idl | 
| index 288703d2316cb9a43dcdb02e0a35e62215273c4d..16c7cbd7d4bcc3f8ae61ed1e34584099c34e9c9a 100644 | 
| --- a/Source/core/storage/Storage.idl | 
| +++ b/Source/core/storage/Storage.idl | 
| @@ -35,8 +35,8 @@ | 
| [RaisesException] deleter boolean (DOMString name); | 
|  | 
| [NotEnumerable, RaisesException=Getter] readonly attribute unsigned long length; | 
| -    [NotEnumerable, RaisesException, TreatReturnedNullStringAs=Null] DOMString key(unsigned long index); | 
| -    [LogActivity, NotEnumerable, RaisesException, TreatReturnedNullStringAs=Null] DOMString getItem(DOMString key); | 
| +    [NotEnumerable, RaisesException] DOMString? key(unsigned long index); | 
| +    [LogActivity, NotEnumerable, RaisesException] DOMString? getItem(DOMString key); | 
| [LogActivity, NotEnumerable, RaisesException] void setItem(DOMString key, DOMString data); | 
| [LogActivity, NotEnumerable, RaisesException] void removeItem(DOMString key); | 
| [LogActivity, NotEnumerable, RaisesException] void clear(); | 
|  |