Expose field data, use class id, and merge all collections into "objects"

tests/standalone/vmservice/isolate_bad_class_test.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 isolate_bad_class_test;
 
 import 'dart:async';
 import 'test_helper.dart';
 import 'package:expect/expect.dart';
 
@@ skipping 27 matching lines @@
   }
 }
 
 main() {
   var process = new TestLauncher('unknown_isolate_command_script.dart');
   process.launch().then((port) {
     var test = new IsolateListTest(port);
     test.makeRequest().then((_) {
       var badCollectionRequest =
           new BadCollectionTest(port, test._isolateId,
-                                'classes').makeRequest();
+                                'foobar').makeRequest();
       var nullCollectionRequest =
           new NullCollectionTest(port, test._isolateId,
                                  'classes').makeRequest();
       var requests = Future.wait([badCollectionRequest, nullCollectionRequest]);
       requests.then((_) {
         process.requestExit();
       });
     });
   });
 }