Introduces the new syntax for deferred loading

tests/language/deferred_shadow_load_library_test.dart

 // Copyright (c) 2014, 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.
 
+import "dart:async";
+import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
-import 'package:expect/expect.dart';
 
-import 'dart:async';
+// This library contains a member loadLibrary.
+// Check that we shadow this member.
+import "deferred_shadow_load_library_lib.dart" deferred as lib;
 
-@lazy import 'deferred_class_library2.dart' as lib;
-
-const lazy = const DeferredLibrary('deferred_class_library2');
-
-main() {
+void main() {
+  var x = lib.loadLibrary();
+  Expect.isTrue(x is Future);
   asyncStart();
-  lazy.load().then((bool didLoad) {
-    Expect.isTrue(didLoad);
-    Expect.equals(499, lib.C1.value);
+  x.then((_) {
+    Expect.isTrue(lib.trueVar);

[floitsch, 2014/03/19 21:04:51]

check that loadLibrary is still shadowed once the library is loaded.

[sigurdm, 2014/03/20 12:26:33]

Done.

     asyncEnd();
   });
-}
+}