Introduces the new syntax for deferred loading

tests/language/deferred_no_prefix_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";
 
 // Loading a deferred library without prefix is not allowed.
-@lazy import "deferred_constraints_lib2.dart"; /// 01: compile-time error
+import "deferred_constraints_lib2.dart" deferred; /// 01: compile-time error

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

make error-area smaller

import "deferred_constraints_lib2.dart"
deferred  /// 01: compile-time error
;

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

Done.

 
 const lazy = const DeferredLibrary('lib');
 
 void main() {
   lazy.load().then((_) { /// 01: continued

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

Remove these lines.

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

Done.

     C c = new C();       /// 01: continued
     print(c);            /// 01: continued
   });                    /// 01: continued
 }