Implement redirecting factories in mirrors.

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.
 
 library MirrorsTest;
 
 import 'dart:mirrors';
 
 import '../../light_unittest.dart';
 
@@ skipping 178 matching lines @@
   expect(instanceMirror.reflectee is Class, equals(true));
   expect(instanceMirror.reflectee.field, equals(16));
 
   instanceMirror = classMirror.newInstance(const Symbol('faktory'),
                                            [9]);
   expect(instanceMirror.reflectee is Class, equals(true));
   expect(instanceMirror.reflectee.field, equals(27));
 
   instanceMirror = classMirror.newInstance(const Symbol('redirectingFactory'),
                                            [10]);
-  if (!isDart2js) {
-    expect(instanceMirror.reflectee is Class, equals(true));
-    expect(instanceMirror.reflectee.field, equals(30));
-  }
+  expect(instanceMirror.reflectee is Class, equals(true));
+  expect(instanceMirror.reflectee.field, equals(30));
 
 
   var future = classMirror.newInstanceAsync(const Symbol(''), []);
   future.then(expectAsync1((resultMirror) {
     var instance = resultMirror.reflectee;
     expect(instance is Class, equals(true));
     expect(instance.field, equals("default value"));
   }));
 
   future = classMirror.newInstanceAsync(const Symbol('withInitialValue'), [45]);
   future.then(expectAsync1((resultMirror) {
     var instance = resultMirror.reflectee;
     expect(instance is Class, equals(true));
     expect(instance.field, equals(45));
   }));
 }
 
 testReflectClass(mirrors) {
   var classMirror = reflectClass(Class);
   expect(classMirror is ClassMirror, equals(true));
   var symbolClassMirror = reflectClass(Symbol);
   var symbolMirror = symbolClassMirror.newInstance(const Symbol(''),
                                                    ['withInitialValue']);
-  if (isDart2js) return;
   var objectMirror = classMirror.newInstance(symbolMirror.reflectee,[1234]);
   expect(objectMirror.reflectee is Class, equals(true));
   expect(objectMirror.reflectee.field, equals(1234));
 }
 
 testNames(mirrors) {
   var libMirror = mirrors.findLibrary(const Symbol("MirrorsTest")).single;
   var classMirror = libMirror.classes[const Symbol('Class')];
   var typedefMirror = libMirror.members[const Symbol('Typedef')];
   var methodMirror = libMirror.functions[const Symbol('testNames')];
@@ skipping 48 matching lines @@
   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'));
   });
   test("Test simple and qualifiedName", () { testNames(mirrors); });
   test("Test reflect type", () { testReflectClass(mirrors); });
 }