Cleanup options for use of application snapshots

tools/testing/dart/test_options.dart

 // Copyright (c) 2013, 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.
 
 library test_options_parser;
 
 import "dart:io";
 import "drt_updater.dart";
 import "test_suite.dart";
 import "path.dart";
@@ skipping 55 matching lines @@
          (only valid with the following runtimes: vm, drt)
 
    dart2js: Compile dart code to JavaScript by running dart2js.
          (only valid with the following runtimes: d8, drt, chrome,
          safari, ie9, ie10, ie11, firefox, opera, chromeOnAndroid,
          none (compile only)),
 
    dart2analyzer: Perform static analysis on Dart code by running the analyzer
           (only valid with the following runtimes: none)
 
-   dart2app: Compile the Dart code into an app snapshot before running the test
-          (only valid with the following runtimes: dart_app)''',
+   dart2app:
+   dart2appjit: Compile the Dart code into an app snapshot before running test
+          (only valid with dart_app runtime)''',
           ['-c', '--compiler'],
           ['none', 'precompiler', 'dart2js', 'dart2analyzer', 'dart2app', 'dart2appjit'],
           'none'),
       // TODO(antonm): fix the option drt.
       new _TestOptionSpecification(
           'runtime',
           '''Where the tests should be run.
     vm: Run Dart code on the standalone dart vm.
 
     dart_precompiled: Run a precompiled snapshot on a variant of the standalone
@@ skipping 575 matching lines @@
           'ie11',
           'opera',
           'chromeOnAndroid',
           'safarimobilesim'
         ];
         break;
       case 'dart2analyzer':
         validRuntimes = const ['none'];
         break;
       case 'dart2app':
-        validRuntimes = const ['dart_app'];
-        break;
       case 'dart2appjit':
         validRuntimes = const ['dart_app'];
         break;
       case 'precompiler':
         validRuntimes = const ['dart_precompiled'];
         break;
       case 'none':
         validRuntimes = const [
           'vm',
           'drt',
@@ skipping 274 matching lines @@
       if (option.keys.contains(name)) {
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
   List<_TestOptionSpecification> _options;
 }