Scan generic method comments with Fasta.

pkg/front_end/lib/src/scanner/token.dart

Index: pkg/front_end/lib/src/scanner/token.dart
diff --git a/pkg/front_end/lib/src/scanner/token.dart b/pkg/front_end/lib/src/scanner/token.dart
index 34c308c255bb37435e990581ae21f13c0a45c1dd..5105a31b357335bb0c639cf41e6a7b510cfc55bd 100644
--- a/pkg/front_end/lib/src/scanner/token.dart
+++ b/pkg/front_end/lib/src/scanner/token.dart
@@ -1036,10 +1036,10 @@ abstract class TokenType {
   static const TokenType PERIOD_PERIOD_PERIOD = fasta.PERIOD_PERIOD_PERIOD_INFO;
 
   static const TokenType GENERIC_METHOD_TYPE_LIST =
-      const fasta.PrecedenceInfo(null, 'GENERIC_METHOD_TYPE_LIST', 0, -1);
+      fasta.GENERIC_METHOD_TYPE_LIST;
 
   static const TokenType GENERIC_METHOD_TYPE_ASSIGN =
-      const fasta.PrecedenceInfo(null, 'GENERIC_METHOD_TYPE_ASSIGN', 0, -1);
+      fasta.GENERIC_METHOD_TYPE_ASSIGN;
 
   /**
    * The name of the token type.