Revert 28422

runtime/bin/vmservice/client/packages/observatory/src/observatory/isolate_manager.dart

Index: runtime/bin/vmservice/client/packages/observatory/src/observatory/isolate_manager.dart
diff --git a/runtime/bin/vmservice/client/packages/observatory/src/observatory/isolate_manager.dart b/runtime/bin/vmservice/client/packages/observatory/src/observatory/isolate_manager.dart
deleted file mode 100644
index 53b262cf4ab286d2cf363a8ad4eb8ba2bb19ef34..0000000000000000000000000000000000000000
--- a/runtime/bin/vmservice/client/packages/observatory/src/observatory/isolate_manager.dart
+++ /dev/null
@@ -1,51 +0,0 @@
-// 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.
-
-part of observatory;
-
-/// Collection of isolates which are running in the VM. Updated
-class IsolateManager extends ObservableMixin {
-  ObservatoryApplication _application;
-  ObservatoryApplication get application => _application;
-
-  @observable final Map<int, Isolate> isolates =
-      toObservable(new Map<int, Isolate>());
-
-  static bool _foundIsolateInMembers(int id, List<Map> members) {
-    return members.any((E) => E['id'] == id);
-  }
-
-  void _responseInterceptor() {
-    _application.requestManager.responses.forEach((response) {
-      if (response['type'] == 'IsolateList') {
-        _updateIsolates(response['members']);
-      }
-    });
-  }
-
-  void _updateIsolates(List<Map> members) {
-    // Find dead isolates.
-    var deadIsolates = [];
-    isolates.forEach((k, v) {
-      if (!_foundIsolateInMembers(k, members)) {
-        deadIsolates.add(k);
-      }
-    });
-    // Remove them.
-    deadIsolates.forEach((k) {
-      print('Removing ${isolates[k]}');
-      isolates.remove(k);
-    });
-    // Add new isolates.
-    members.forEach((k) {
-      var id = k['id'];
-      var name = k['name'];
-      if (isolates[id] == null) {
-        var isolate = new Isolate(id, name);
-        print('Adding $isolate');
-        isolates[id] = isolate;
-      }
-    });
-  }
-}