Fix await parsing.

tests/compiler/dart2js/mock_libraries.dart

Index: tests/compiler/dart2js/mock_libraries.dart
diff --git a/tests/compiler/dart2js/mock_libraries.dart b/tests/compiler/dart2js/mock_libraries.dart
index 63435acad00c3cb5c233ce40be20c3b35565ad9a..507d12361cc8369fb799588626b567fcd8504b72 100644
--- a/tests/compiler/dart2js/mock_libraries.dart
+++ b/tests/compiler/dart2js/mock_libraries.dart
@@ -90,6 +90,7 @@ const String DEFAULT_PATCH_CORE_SOURCE = r'''
 import 'dart:_js_helper';
 import 'dart:_interceptors';
 import 'dart:_isolate_helper';
+import 'dart:async';
 ''';
 
 const Map<String, String> DEFAULT_JS_HELPER_LIBRARY = const <String, String>{
@@ -362,6 +363,7 @@ const Map<String, String> DEFAULT_ISOLATE_HELPER_LIBRARY =
 };
 
 const Map<String, String> DEFAULT_ASYNC_LIBRARY = const <String, String>{
+  'DeferredLibrary': 'class DeferredLibrary {}',

[floitsch, 2015/02/03 13:34:21]

?
I didn't even know that DeferredLibrary still existed...

[Johnni Winther, 2015/02/03 14:12:56]

I _is_ deprecated to be removed in 1.8...

[Johnni Winther, 2015/02/03 14:14:48]

That should be 'It _is_' - and not 'I _am_' ;-)

   'Future': 'class Future<T> {}',
   'Stream': 'class Stream<T> {}',
 };