move fasta.Keyword methods to analyzer.Keyword

pkg/front_end/test/token_test.dart

Index: pkg/front_end/test/token_test.dart
diff --git a/pkg/front_end/test/token_test.dart b/pkg/front_end/test/token_test.dart
index 1e3a1227ff71475ffc522cc93d68bba0425f03b8..6e25376804f64c53530765f38fc829436fd74ae8 100644
--- a/pkg/front_end/test/token_test.dart
+++ b/pkg/front_end/test/token_test.dart
@@ -181,7 +181,7 @@ class Foo {
     ]);
     for (Keyword keyword in _allKeywords) {
       var isBuiltIn = builtInKeywords.contains(keyword);
-      expect(keyword.isPseudoKeyword, isBuiltIn, reason: keyword.name);
+      expect(keyword.isBuiltIn, isBuiltIn, reason: keyword.name);
       expect((keyword as fasta.Keyword).isBuiltIn, isBuiltIn,
           reason: keyword.name);
     }