move fasta.Keyword methods to analyzer.Keyword

pkg/front_end/test/token_test.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:front_end/src/fasta/scanner/string_scanner.dart';
 import 'package:front_end/src/fasta/scanner/keyword.dart' as fasta;
 import 'package:front_end/src/fasta/scanner/token.dart' as fasta;
 import 'package:front_end/src/scanner/token.dart';
 import 'package:front_end/src/scanner/reader.dart' as analyzer;
 import 'package:test/test.dart';
@@ skipping 163 matching lines @@
       Keyword.IMPORT,
       Keyword.LIBRARY,
       Keyword.OPERATOR,
       Keyword.PART,
       Keyword.SET,
       Keyword.STATIC,
       Keyword.TYPEDEF,
     ]);
     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);
     }
   }
 
   void test_pseudo_keywords() {
     var pseudoKeywords = new Set<Keyword>.from([
       fasta.Keyword.ASYNC,
       fasta.Keyword.AWAIT,
       fasta.Keyword.FUNCTION,
@@ skipping 23 matching lines @@
     // General tokens
     token = token.next;
     expect(token.lexeme, '&');
     expect(token.value(), '&');
     // String tokens
     token = token.next;
     expect(token.lexeme, '"home"');
     expect(token.value(), '"home"');
   }
 }