Use message.yaml in parser.

pkg/front_end/lib/src/fasta/source/diet_listener.dart

Index: pkg/front_end/lib/src/fasta/source/diet_listener.dart
diff --git a/pkg/front_end/lib/src/fasta/source/diet_listener.dart b/pkg/front_end/lib/src/fasta/source/diet_listener.dart
index 60fa19a328df237a264d00399c61a2e598ca8e7d..0d389c88f3a34c30994564da7a2b289d2ec14742 100644
--- a/pkg/front_end/lib/src/fasta/source/diet_listener.dart
+++ b/pkg/front_end/lib/src/fasta/source/diet_listener.dart
@@ -10,6 +10,8 @@ import 'package:kernel/class_hierarchy.dart' show ClassHierarchy;
 
 import 'package:kernel/core_types.dart' show CoreTypes;
 
+import '../fasta_codes.dart' show FastaMessage, codeExpectedBlockToSkip;
+
 import '../parser/parser.dart' show Parser, optional;
 
 import '../scanner/token.dart' show BeginGroupToken, Token;
@@ -17,8 +19,6 @@ import '../scanner/token.dart' show BeginGroupToken, Token;
 import '../parser/dart_vm_native.dart'
     show removeNativeClause, skipNativeClause;
 
-import '../parser/error_kind.dart' show ErrorKind;
-
 import '../util/link.dart' show Link;
 
 import '../errors.dart' show Crash, InputError, inputError, internalError;
@@ -462,15 +462,15 @@ class DietListener extends StackListener {
   }
 
   @override
-  Token handleUnrecoverableError(Token token, ErrorKind kind, Map arguments) {
-    if (isDartLibrary && kind == ErrorKind.ExpectedBlockToSkip) {
+  Token handleUnrecoverableError(Token token, FastaMessage message) {
+    if (isDartLibrary && message.code == codeExpectedBlockToSkip) {
       Token recover = skipNativeClause(token);
       if (recover != null) {
         assert(isTargetingDartVm);
         return recover;
       }
     }
-    return super.handleUnrecoverableError(token, kind, arguments);
+    return super.handleUnrecoverableError(token, message);
   }
 
   @override