Removing setImmediate and hiding WindowTimers interface (take 2)

samples/swipe/web/swipe.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.
 
 library swipe;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:math';
 
@@ skipping 56 matching lines @@
   });
 
   document.onKeyUp.listen((event) => stopSpin());
 }
 
 void initialize3D() {
   target.classes.add("transformable");
 
   num childCount = target.children.length;
 
-  window.setImmediate(() {
+  scheduleMicrotask(() {
     num width = query("#target").client.width;
     figureWidth = (width / 2) ~/ tan(PI / childCount);
 
     target.style.transform = "translateZ(-${figureWidth}px)";
 
     num radius = (figureWidth * 1.2).round();
     query('#container2').style.width = "${radius}px";
 
     for (int i = 0; i < childCount; i++) {
       var panel = target.children[i];
@@ skipping 32 matching lines @@
 
 /**
  * Stop any spin that may be in progress.
  */
 void stopSpin() {
   if (timer != null) {
     timer.cancel();
     timer = null;
   }
 }