Add getClassList RPC

tests/standalone/vmservice/isolate_echo_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_echo_test;
-
-import 'test_helper.dart';
-import 'package:expect/expect.dart';
-
-class EchoRequestTest extends VmServiceRequestHelper {
-  EchoRequestTest(port, id) :
-      super('http://127.0.0.1:$port/$id/_echo/foo/bar?a=b&k=&d=e&z=w');
-
-  onRequestCompleted(Map reply) {
-    Expect.equals('message', reply['type']);
-
-    Expect.equals(3, reply['request']['arguments'].length);
-    Expect.equals('_echo', reply['request']['arguments'][0]);
-    Expect.equals('foo', reply['request']['arguments'][1]);
-    Expect.equals('bar', reply['request']['arguments'][2]);
-
-    Expect.equals(4, reply['request']['option_keys'].length);
-    Expect.equals('a', reply['request']['option_keys'][0]);
-    Expect.equals('k', reply['request']['option_keys'][1]);
-    Expect.equals('d', reply['request']['option_keys'][2]);
-    Expect.equals('z', reply['request']['option_keys'][3]);
-
-    Expect.equals(4, reply['request']['option_values'].length);
-    Expect.equals('b', reply['request']['option_values'][0]);
-    Expect.equals('', reply['request']['option_values'][1]);
-    Expect.equals('e', reply['request']['option_values'][2]);
-    Expect.equals('w', reply['request']['option_values'][3]);
-  }
-}
-
-class VMTest extends VmServiceRequestHelper {
-  VMTest(port) : super('http://127.0.0.1:$port/vm');
-
-  String _isolateId;
-  onRequestCompleted(Map reply) {
-    VMTester tester = new VMTester(reply);
-    tester.checkIsolateCount(1);
-    _isolateId = tester.getIsolateId(0);
-  }
-}
-
-
-main() {
-  var process = new TestLauncher('isolate_echo_script.dart');
-  process.launch().then((port) {
-    var test = new VMTest(port);
-    test.makeRequest().then((_) {
-      var echoRequestTest = new EchoRequestTest(port, test._isolateId);
-      echoRequestTest.makeRequest().then((_) {
-        process.requestExit();
-      });
-    });
-  });
-}