new TokenType and Keyword API

pkg/front_end/lib/src/fasta/parser/parser.dart

Index: pkg/front_end/lib/src/fasta/parser/parser.dart
diff --git a/pkg/front_end/lib/src/fasta/parser/parser.dart b/pkg/front_end/lib/src/fasta/parser/parser.dart
index deaf11be66f285a466a8ee6081c568cf163c5074..5997f117cd5e9a8123eb9db06b5c98f2b35995e4 100644
--- a/pkg/front_end/lib/src/fasta/parser/parser.dart
+++ b/pkg/front_end/lib/src/fasta/parser/parser.dart
@@ -805,7 +805,7 @@ class Parser {
     if (identical(kind, IDENTIFIER_TOKEN)) return true;
     if (identical(kind, KEYWORD_TOKEN)) {
       Keyword keyword = (token as KeywordToken).keyword;
-      String value = keyword.syntax;
+      String value = keyword.lexeme;
       return keyword.isPseudo ||
           (identical(value, 'dynamic')) ||
           (identical(value, 'void'));