Make constant lists immutable

pkg/analyzer/test/generated/parser_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser_test;
 
 import 'package:analyzer/src/generated/error.dart';
@@ skipping 1821 matching lines @@
 }
 
 class NonErrorParserTest extends ParserTestCase {
   void test_constFactory_external() {
     ParserTestCase.parse("parseClassMember", <Object> ["C"], "external const factory C();");
   }
 }
 
 class ParserTestCase extends EngineTestCase {
   /**
-   * An empty array of objects used as arguments to zero-argument methods.
+   * An empty list of objects used as arguments to zero-argument methods.
    */
-  static List<Object> _EMPTY_ARGUMENTS = new List<Object>(0);
+  static const List<Object> _EMPTY_ARGUMENTS = const <Object>[];
 
   /**
    * A flag indicating whether parser is to parse function bodies.
    */
   static bool parseFunctionBodies = true;
 
   /**
    * Create a parser.
    *
    * @param listener the listener to be passed to the parser
@@ skipping 6515 matching lines @@
 main() {
   groupSep = ' | ';
   runReflectiveTests(ComplexParserTest);
   runReflectiveTests(ErrorParserTest);
   runReflectiveTests(IncrementalParserTest);
   runReflectiveTests(NonErrorParserTest);
   runReflectiveTests(RecoveryParserTest);
   runReflectiveTests(ResolutionCopierTest);
   runReflectiveTests(SimpleParserTest);
 }