move fancy_syntax into Dart SVN

pkg/polymer_expressions/lib/async.dart

Index: pkg/polymer_expressions/lib/async.dart
diff --git a/tests/compiler/dart2js_extra/deferred/deferred_semantics_test.dart b/pkg/polymer_expressions/lib/async.dart
similarity index 52%
copy from tests/compiler/dart2js_extra/deferred/deferred_semantics_test.dart
copy to pkg/polymer_expressions/lib/async.dart
index 140faca3f8479b47e297b51ee4201a0a9f928b31..23e98468a9b6e341b5445aa69af5496243d319b1 100644
--- a/tests/compiler/dart2js_extra/deferred/deferred_semantics_test.dart
+++ b/pkg/polymer_expressions/lib/async.dart
@@ -2,14 +2,16 @@
 // 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 deferred loading requires same library names.
+library polymer_expressions.async;
 
 import 'dart:async';
+import 'package:observe/observe.dart';
 
-@lazy  /// 01: compile-time error
-import 'deferred_function_library.dart';
+class StreamBinding<T> extends ObservableBox {
+  final Stream<T> stream;
 
-const lazy = const DeferredLibrary('fisk');
+  StreamBinding(this.stream) {
+    stream.listen((T i) { value = i; });
+  }
 
-main() {
 }