Begin migrating the vm service from a rest-style interface to a json-rpc style interface.

tests/standalone/vmservice/isolate_library_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_library_test;
-
-import 'dart:async';
-import 'test_helper.dart';
-import 'package:expect/expect.dart';
-
-class LibraryTest extends VmServiceRequestHelper {
-  LibraryTest(port, id, libId) :
-      super('http://127.0.0.1:$port/$id/$libId');
-
-  onRequestCompleted(Map reply) {
-    Expect.equals('Library', reply['type']);
-    Expect.equals('isolate_stacktrace_command_script', reply['name']);
-  }
-}
-
-class IsolateSummaryTest extends VmServiceRequestHelper {
-  IsolateSummaryTest(port, id) :
-      super('http://127.0.0.1:$port/$id/');
-
-  String _libId;
-  onRequestCompleted(Map reply) {
-    Expect.equals('Isolate', reply['type']);
-    Expect.equals('isolate_stacktrace_command_script', reply['rootLib']['name']);
-    _libId = reply['rootLib']['id'];
-  }
-}
-
-class VMTest extends VmServiceRequestHelper {
-  VMTest(port) : super('http://127.0.0.1:$port/vm');
-
-  String _isolateId;
-  onRequestCompleted(Map reply) {
-    VMTester tester = new VMTester(reply);
-    tester.checkIsolateCount(2);
-    // TODO(turnidge): Fragile.  Relies on isolate order in response.
-    _isolateId = tester.getIsolateId(1);
-  }
-}
-
-main() {
-  var process = new TestLauncher('isolate_stacktrace_command_script.dart');
-  process.launch().then((port) {
-    var test = new VMTest(port);
-    test.makeRequest().then((_) {
-      var isolateSummaryTest =
-          new IsolateSummaryTest(port, test._isolateId);
-      isolateSummaryTest.makeRequest().then((_) {
-        var libraryTest = new LibraryTest(port, test._isolateId,
-                                          isolateSummaryTest._libId);
-        libraryTest.makeRequest().then((_) {
-          process.requestExit();
-        });
-      });
-    });
-  });
-}