Build Observatory as part of runtime

runtime/bin/vmservice/observatory/lib/src/elements/object_common.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 object_common_element;
-
-import 'dart:async';
-import 'observatory_element.dart';
-import 'package:observatory/service.dart';
-import 'package:polymer/polymer.dart';
-
-@CustomTag('object-common')
-class ObjectCommonElement extends ObservatoryElement {
-  @published ServiceObject object;
-  @published ServiceMap path;
-  @published ServiceMap inboundReferences;
-  @observable int retainedBytes = null;
-
-  ObjectCommonElement.created() : super.created();
-
-  // TODO(koda): Add no-arg "calculate-link" instead of reusing "eval-link".
-  Future<ServiceObject> retainedSize(var dummy) {
-    return object.isolate.get(object.id + "/retained")
-        .then((Instance obj) {
-          retainedBytes = int.parse(obj.valueAsString);
-        });
-  }
-
-  Future<ServiceObject> retainingPath(var arg) {
-    return object.isolate.get(object.id + "/retaining_path?limit=$arg")
-        .then((ServiceObject obj) {
-          path = obj;
-        });
-  }
-
-  Future<ServiceObject> fetchInboundReferences(var arg) {
-    return object.isolate.get(object.id + "/inbound_references?limit=$arg")
-        .then((ServiceObject obj) {
-           inboundReferences = obj;
-        });
-  }
-
-  void refresh(Function onDone) {
-    object.reload().whenComplete(onDone);
-  }
-}