| Index: lib/compiler/implementation/elements/elements.dart | 
| diff --git a/lib/compiler/implementation/elements/elements.dart b/lib/compiler/implementation/elements/elements.dart | 
| index ee4791068b74d7be93fc93d8a2e55600d9f81eae..578466d127b1273fe727b866c0f888cb71159787 100644 | 
| --- a/lib/compiler/implementation/elements/elements.dart | 
| +++ b/lib/compiler/implementation/elements/elements.dart | 
| @@ -158,6 +158,7 @@ class Element implements Hashable { | 
| bool isTypedef() => kind === ElementKind.TYPEDEF; | 
| bool isTypeVariable() => kind === ElementKind.TYPE_VARIABLE; | 
| bool isField() => kind === ElementKind.FIELD; | 
| +  bool isAbstractField() => kind === ElementKind.ABSTRACT_FIELD; | 
| bool isGetter() => kind === ElementKind.GETTER; | 
| bool isSetter() => kind === ElementKind.SETTER; | 
| bool isAccessor() => isGetter() || isSetter(); | 
|  |