pkg/isolate: spelling fixes

test/registry_test.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.
 
 library dart.pkg.isolate.test.registry;
 
 import 'dart:async';
 import 'dart:isolate';
 
 import 'package:isolate/isolate_runner.dart';
@@ skipping 449 matching lines @@
     RegistryManager regman = new RegistryManager();
     Registry registry1 = regman.registry;
     Registry registry2 = regman.registry;
     var l1 = ["x"];
     var l2;
     return registry1.add(l1, tags: ["y"]).then((removeCapability) {
       return registry2.lookup().then((entries) {
         expect(entries, hasLength(1));
         l2 = entries.first;
         expect(l2, equals(l1));
-        // The object for registry2 is not idential the one for registry1.
+        // The object for registry2 is not identical the one for registry1.
         expect(!identical(l1, l2), isTrue);
-        // Removeing the registry1 object through registry2 doesn't work.
+        // Removing the registry1 object through registry2 doesn't work.
         return registry2.remove(l1, removeCapability);
       }).then((removeSuccess) {
         expect(removeSuccess, isFalse);
         return registry2.remove(l2, removeCapability);
       }).then((removeSuccess) {
         expect(removeSuccess, isTrue);
         return registry1.lookup();
       }).then((entries) {
         expect(entries, isEmpty);
       });
@@ skipping 47 matching lines @@
 }
 
 class Element {
   final int id;
   Element(this.id);
   int get hashCode => id;
   bool operator ==(Object other) => other is Element && id == other.id;
 }
 
 void topLevelFunction() {}