Delete support for source mirrors

tests/compiler/dart2js/analyze_test_test.dart

Index: tests/compiler/dart2js/analyze_test_test.dart
diff --git a/tests/compiler/dart2js/analyze_test_test.dart b/tests/compiler/dart2js/analyze_test_test.dart
index af3eb252107658d8ee63acd1ddb61e0390345922..ea2524d176ef8c44840c5ea641fef92da4e3c38f 100644
--- a/tests/compiler/dart2js/analyze_test_test.dart
+++ b/tests/compiler/dart2js/analyze_test_test.dart
@@ -30,10 +30,6 @@ const Map<String, List/*<String|MessageKind>*/> WHITE_LIST = const {
       "Library 'package:async/async.dart' doesn't export a "
       "'ForkableStream' declaration.",
   ],
-  "mirrors_test.dart": const [
-      MessageKind.INVALID_SYMBOL,
-      MessageKind.PRIVATE_IDENTIFIER,
-  ],
 };
 
 const List<String> SKIP_LIST = const <String>[
@@ -51,11 +47,6 @@ const List<String> SKIP_LIST = const <String>[
   "packages/",
 ];
 
-const List<MessageKind> MESSAGE_SKIP_LIST = const <MessageKind>[
-  // TODO(johnniwinther): Support checking of this warning. (Issue 26132)
-  MessageKind.IMPORT_EXPERIMENTAL_MIRRORS,
-];
-
 main(List<String> arguments) {
   List<String> options = <String>[];
   List<Uri> uriList = <Uri>[];
@@ -108,7 +99,6 @@ main(List<String> arguments) {
         uriList,
         WHITE_LIST,
         mode: AnalysisMode.URI,
-        options: options,
-        skipList: MESSAGE_SKIP_LIST);
+        options: options);
   });
 }