Rename runAsync to scheduleMicrotask.

pkg/mdv/test/template_element_test.dart

 // Copyright (c) 2013, 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 template_element_test;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:math' as math;
@@ skipping 1100 matching lines @@
         'name': 'one', 'items': [{ 'val': 0 }, { 'val': 1 }]
       }],
     });
 
     recursivelySetTemplateModel(div, m);
     deliverChanges(m);
 
     var select = div.nodes[0].nextNode;
     expect(select.nodes.length, 2);
 
-    runAsync(expectAsync0(() {
-      runAsync(expectAsync0(() {
+    scheduleMicrotask(expectAsync0(() {
+      scheduleMicrotask(expectAsync0(() {
         // TODO(jmesserly): this should be called sooner.
         expect(select.selectedIndex, 1);
       }));
     }));
     expect(select.nodes[0].tagName, 'TEMPLATE');
     expect(select.nodes[0].ref.content.nodes[0].tagName, 'OPTGROUP');
 
     var optgroup = select.nodes[1];
     expect(optgroup.nodes[0].tagName, 'TEMPLATE');
     expect(optgroup.nodes[1].tagName, 'OPTION');
@@ skipping 646 matching lines @@
   }
   return value;
 }
 
 /**
  * Sanitizer which does nothing.
  */
 class NullTreeSanitizer implements NodeTreeSanitizer {
   void sanitizeTree(Node node) {}
 }