Converted Observatory class-view element

runtime/observatory/lib/src/models/objects/object.dart

 // Copyright (c) 2016, 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 models;
 
 abstract class ObjectRef {
   /// A unique identifier for an Object.
   String get id;
 }
@@ skipping 10 matching lines @@
   ClassRef get clazz;
 
   /// [optional] The size of this object in the heap.
   ///
   /// If an object is not heap-allocated, then this field is omitted.
   ///
   /// Note that the size can be zero for some objects. In the current
   /// VM implementation, this occurs for small integers, which are
   /// stored entirely within their object pointers.
   int get size;
+
+  String get vmName;
 }
+
+abstract class RetainingObject {
+  int get retainedSize;
+  ObjectRef get object;
+}