pkg/isolate: library renaming, removed unused method, fix creation of TimeoutException

lib/registry.dart

 // Copyright (c) 2015, 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.
 
 /// An isolate-compatible object registry and lookup service.
-library dart.pkg.isolate.registry;
+library isolate.registry;
 
-import "dart:async" show Future, Completer, TimeoutException;
-import "dart:isolate" show RawReceivePort, SendPort, Capability;
-import "dart:collection" show HashMap, HashSet;
-import "ports.dart";
-import "src/lists.dart";
+import 'dart:async' show Future, Completer, TimeoutException;
+import 'dart:collection' show HashMap, HashSet;
+import 'dart:isolate' show RawReceivePort, SendPort, Capability;
+
+import 'ports.dart';
+import 'src/lists.dart';
 
 // Command tags.
 const int _ADD = 0;
 const int _REMOVE = 1;
 const int _ADD_TAGS = 2;
 const int _REMOVE_TAGS = 3;
 const int _GET_TAGS = 4;
 const int _FIND = 5;
 
 /// An isolate-compatible object registry.
@@ skipping 431 matching lines @@
 }
 
 /// Entry in [RegistryManager].
 class _RegistryEntry {
   final int id;
   final Object element;
   final Set tags = new HashSet();
   final Capability removeCapability = new Capability();
   _RegistryEntry(this.id, this.element);
 }