Big merge from experimental to bleeding edge.

tests/standalone/io/list_output_stream_test.dart

 // Copyright (c) 2012, 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:io";
-import "dart:isolate";
+import 'dart:async';
+import 'dart:io';
+import 'dart:isolate';
 
 void testEmptyListOutputStream1() {
   ListOutputStream stream = new ListOutputStream();
   Expect.equals(null, stream.read());
   stream.close();
   Expect.equals(null, stream.read());
   Expect.throws(() { stream.write([0]); });
 }
 
 
@@ skipping 146 matching lines @@
 
 main() {
   testEmptyListOutputStream1();
   testEmptyListOutputStream2();
   testListOutputStream1();
   testListOutputStream2();
   testListOutputStream3();
   testListOutputStream4();
   testListOutputStream5();
 }