Switch from DRT to content shell.

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 "dart:math";
 import "drt_updater.dart";
 import "test_suite.dart";
@@ skipping 67 matching lines @@
          none (compile only)),
 
    dartc: Perform static analysis on Dart code by running dartc.
           (only valid with the following runtimes: none),
 
    dartanalyzer: Perform static analysis on Dart code by running the analyzer.
           (only valid with the following runtimes: none)''',
               ['-c', '--compiler'],
               ['none', 'dart2dart', 'dart2js', 'dartc', 'dartanalyzer'],
               '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.
 
     d8: Run JavaScript from the command line using v8.
 
     jsshell: Run JavaScript from the command line using firefox js-shell.
 
     drt: Run Dart or JavaScript in the headless version of Chrome,
-         DumpRenderTree.
+         Content shell.
 
     dartium: Run Dart or JavaScript in Dartium.
 
     [ff | chrome | safari | ie9 | ie10 | opera | chromeOnAndroid]:
         Run JavaScript in the specified browser.
 
     none: No runtime, compile only (for example, used for dartc static analysis
           tests).''',
               ['-r', '--runtime'],
               ['vm', 'd8', 'jsshell', 'drt', 'dartium', 'ff', 'firefox',
@@ skipping 136 matching lines @@
               [],
               false,
               'bool'),
           new _TestOptionSpecification(
               'dart',
               'Path to dart executable',
               ['--dart'],
               [],
               ''),
           new _TestOptionSpecification(
-              'drt',
-              'Path to DumpRenderTree executable',
+              'drt', // TODO(antonm): fix the option name.
+              'Path to content shell executable',
               ['--drt'],
               [],
               ''),
           new _TestOptionSpecification(
               'dartium',
               'Path to Dartium Chrome executable',
               ['--dartium'],
               [],
               ''),
           new _TestOptionSpecification(
@@ skipping 455 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }