Rename test.dart component to specify compiler + runtime.

tools/testing/dart/drt_updater.dart

 // Copyright (c) 2012, 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("drt_updater");
 
 #import("dart:io");
 #import("dart:builtin");
 
 class DumpRenderTreeUpdater {
@@ skipping 10 matching lines @@
       onUpdated = [() {updated = true;} ];
       _updatingProcess = new Process.start('python', [_getDrtPath]);
       _updatingProcess.onExit = _onUpdatedHandler;
       _updatingProcess.onError = (error) {
         print("Error starting get_drt.py process: $error");
         _onUpdatedHandler(-1);  // Continue anyway.
       };
     }
   }
 
-  static bool componentRequiresDRT(String component) =>
-      const <String>['dartium',
-                     'frogium',
-                     'legium'].some((x) => x == component);
-
   static String get _getDrtPath() {
     String scriptPath = new Options().script.replaceAll('\\', '/');
     String toolsDir = scriptPath.substring(0, scriptPath.lastIndexOf('/'));
     return '$toolsDir/get_drt.py';
   }
 
   static void _onUpdatedHandler(int exit_code) {
     print('DumpRenderTree updated ($exit_code)');
     for (var callback in onUpdated ) callback();
   }
 }