Remove deprecated methods from ClassBuilder.

pkg/analyzer/test/generated/parser_fasta_test.dart

Index: pkg/analyzer/test/generated/parser_fasta_test.dart
diff --git a/pkg/analyzer/test/generated/parser_fasta_test.dart b/pkg/analyzer/test/generated/parser_fasta_test.dart
index c14ef270805c8cde6e014664a6f78e2bfbad8900..0141ea0924e682936a9e4e4c633be1e1818a865f 100644
--- a/pkg/analyzer/test/generated/parser_fasta_test.dart
+++ b/pkg/analyzer/test/generated/parser_fasta_test.dart
@@ -12,6 +12,7 @@ import 'package:analyzer/src/fasta/element_store.dart';
 import 'package:analyzer/src/generated/parser.dart' as analyzer;
 import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:analyzer/src/string_source.dart';
+import 'package:front_end/src/fasta/fasta_codes.dart' show Message;
 import 'package:front_end/src/fasta/kernel/kernel_builder.dart';
 import 'package:front_end/src/fasta/kernel/kernel_library_builder.dart';
 import 'package:front_end/src/fasta/parser/identifier_context.dart'
@@ -796,6 +797,12 @@ class KernelLibraryBuilderProxy implements KernelLibraryBuilder {
     fail('$message');
   }
 
+  @override
+  void addCompileTimeError(Message message, int charOffset, Uri uri,
+      {bool silent: false, bool wasHandled: false}) {
+    fail('${message.message}');
+  }
+
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }