Cleanup the core/object.dart file.

lib/core/object.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Everything in Dart is an [Object].
  */
 class Object {
   /**
    * Creates a new [Object] instance.
@@ skipping 40 matching lines @@
    * invocation are passed to [noSuchMethod]. If [noSuchMethod]
    * returns a value, that value becomes the result of the original
    * invocation.
    *
    * The default behavior of [noSuchMethod] is to throw a
    * [noSuchMethodError].
    */
   external Dynamic noSuchMethod(String name, List args);
 
   /**
-   * Returns a representation of the runtime type of the object.
+   * A representation of the runtime type of the object.
    */
-  external Type runtimeType();
+  external Type get runtimeType;

[Ivan Posva, 2012/09/27 00:02:14]

Any particular reason why you did not have to update the corresponding language
tests? As far as I understand they should now be failing.

[ngeoffray, 2012/09/27 08:29:35]

Right, thanks for noticing Ivan. The test was actually not being run because it
didn't have the _test suffix. Fixed in:
https://codereview.chromium.org/10996043/

 }
 
-/**
- * Representation of a type.
- */
-abstract class Type {}
-
-/**
- * Check whether two references are to the same object.
- */
-bool identical(Object a, Object b) => a === b;