Reapply "Remove Object.dynamic."

tests/language/object_dynamic_method_test.dart

-// Copyright (c) 2011, 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.
-
-// Test that Object.dynamic returns the identical object.
-
-main() {
-  // Primitives
-  var anInt = 5;
-  var aString = 'Hello';
-  var aBool = true;
-  var aDouble = 3.14159;
-
-  // Compounds
-  var aMap = {};
-
-  // The type should not change.
-  Expect.isTrue(dyn(anInt) is int, 'is int');
-  Expect.isTrue(dyn(aString) is String, 'is String');
-  Expect.isTrue(dyn(aBool) is bool, 'is bool');
-  Expect.isTrue(dyn(aMap) is Map, 'is Map');
-
-  // The object should be identical.
-  Expect.isTrue(eq(anInt, anInt.dynamic), 'anInt.dynamic');
-  Expect.isTrue(eq(aString, aString.dynamic), 'aString.dynamic');
-  Expect.isTrue(eq(aBool, aBool.dynamic), 'aBool.dynamic');
-  Expect.isTrue(eq(aDouble, aDouble.dynamic), 'aDouble.dynamic');
-  Expect.isTrue(eq(aMap, aMap.dynamic), 'aMap.dynamic');
-}
-
-dyn(x) => x.dynamic;
-
-eq(a, b) => a === b;