SendPort + ReceivePort changes:

frog/leg/lib/mockimpl.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.
 
 // Mocks of classes and interfaces that Leg cannot read directly.
 
 // TODO(ahe): Remove this file.
 
 class JSSyntaxRegExp implements RegExp {
   final String pattern;
@@ skipping 123 matching lines @@
     } else {
       return true;
     }
   }
 }
 
 class ReceivePortFactory {
   factory ReceivePort() {
     throw 'factory ReceivePort is not implemented';
   }
-
-  factory ReceivePort.singleShot() {
-    throw 'factory ReceivePort.singleShot is not implemented';
-  }
 }
 
 class StringBase {
   static String createFromCharCodes(List<int> charCodes) {
     checkNull(charCodes);
     if (!isJsArray(charCodes)) {
       if (charCodes is !List) throw new IllegalArgumentException(charCodes);
       charCodes = new List.from(charCodes);
     }
     return Primitives.stringFromCharCodes(charCodes);
@@ skipping 291 matching lines @@
     }
     String twoDigitMinutes =
         twoDigits(inMinutes.remainder(Duration.MINUTES_PER_HOUR));
     String twoDigitSeconds =
         twoDigits(inSeconds.remainder(Duration.SECONDS_PER_MINUTE));
     String threeDigitMs =
         threeDigits(inMilliseconds.remainder(Duration.MILLISECONDS_PER_SECOND));
     return "${inHours}:${twoDigitMinutes}:${twoDigitSeconds}.${threeDigitMs}";
   }
 }