rename fasta.Token.value --> lexeme

pkg/front_end/test/scanner_fasta_test.dart

Index: pkg/front_end/test/scanner_fasta_test.dart
diff --git a/pkg/front_end/test/scanner_fasta_test.dart b/pkg/front_end/test/scanner_fasta_test.dart
index 5b87dc3025cd0d1572f0c7b30483ce23265fb9af..933e3897eff206c0a386d5e6dd8b6d58c25aa286 100644
--- a/pkg/front_end/test/scanner_fasta_test.dart
+++ b/pkg/front_end/test/scanner_fasta_test.dart
@@ -115,19 +115,19 @@ class ScannerTest_Fasta extends ScannerTestBase {
       previousEnd = token.charOffset + token.charCount;
 
       // Spot check for specific token/comment combinations
-      if (token.value == 'class') {
+      if (token.lexeme == 'class') {
         ++spotCheckCount;
-        expect(token.precedingComments?.value, '/// Doc comment before class');
-        expect(token.precedingComments?.next?.value, '/// second line');
-        expect(token.precedingComments?.next?.next?.value, '/// third');
+        expect(token.precedingComments?.lexeme, '/// Doc comment before class');
+        expect(token.precedingComments?.next?.lexeme, '/// second line');
+        expect(token.precedingComments?.next?.next?.lexeme, '/// third');
         expect(token.precedingComments?.next?.next?.next, isNull);
-      } else if (token.value == 'Foo2') {
+      } else if (token.lexeme == 'Foo2') {
         ++spotCheckCount;
-        expect(token.precedingComments?.value, '/** Doc comment 2 */');
-      } else if (token.value == ')') {
+        expect(token.precedingComments?.lexeme, '/** Doc comment 2 */');
+      } else if (token.lexeme == ')') {
         if (token.precedingComments != null) {
           ++spotCheckCount;
-          expect(token.precedingComments?.value,
+          expect(token.precedingComments?.lexeme,
               '/* comment before closing paren */');
           expect(token.precedingComments?.next, isNull);
         }
@@ -138,7 +138,7 @@ class ScannerTest_Fasta extends ScannerTestBase {
     expect(tokenCount, 26);
     expect(spotCheckCount, 3);
     expect(commentTokenCount, 9);
-    expect(token.precedingComments?.value, '// EOF comment');
+    expect(token.precedingComments?.lexeme, '// EOF comment');
   }
 
   @override