Implement newInstance on ClassMirror.

dart/tests/lib/mirrors/mirrors_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.
 
 // TODO(rmacnak): Move the existing mirror tests here (a place for
 // cross-implementation tests).
 
 library MirrorsTest;
 import "dart:mirrors";
 import "../../../pkg/unittest/lib/unittest.dart";
@@ skipping 188 matching lines @@
   expect(check(valueLibrary.uri), isTrue);
 }
 
 mainWithArgument({bool isDart2js}) {
   var mirrors = currentMirrorSystem();
   test("Test reflective method invocation", () { testInvoke(mirrors); });
   test("Test instance field access", () { testInstanceFieldAccess(mirrors); });
   test('Test intercepted objects', () { testIntercepted(mirrors); });
   test("Test field access", () { testFieldAccess(mirrors); });
   test("Test closure mirrors", () { testClosureMirrors(mirrors); });
+  test("Test invoke constructor", () { testInvokeConstructor(mirrors); });
   if (isDart2js) return;
-  test("Test invoke constructor", () { testInvokeConstructor(mirrors); });
   test("Test reflect type", () { testReflectClass(mirrors); });
   test("Test simple and qualifiedName", () { testNames(mirrors); });
   test("Test current library uri", () {
     testLibraryUri(new Class(),
       (Uri uri) => uri.path.endsWith('/mirrors_test.dart'));
   });
   test("Test dart library uri", () {
     testLibraryUri("test", (Uri uri) => uri == Uri.parse('dart:core'));
   });
 }
 
 main() {
   mainWithArgument(isDart2js: false);
 }