Converted Observatory object-pool-view element

runtime/observatory/lib/src/models/objects/objectpool.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 ObjectPoolRef extends ObjectRef {
   int get length;
 }
+
+abstract class ObjectPool extends Object implements ObjectPoolRef {
+  Iterable<ObjectPoolEntry> get entries;
+}
+
+enum ObjectPoolEntryKind {
+  object,
+  immediate,
+  nativeEntry
+}
+
+abstract class ObjectPoolEntry {
+  int get offset;
+  ObjectPoolEntryKind get kind;
+  ObjectRef get asObject;
+  int get asInteger;
+}