Rename runAsync to scheduleMicrotask.

tests/lib/async/intercept_run_async6_test.dart

Index: tests/lib/async/intercept_run_async6_test.dart
diff --git a/tests/lib/async/intercept_run_async6_test.dart b/tests/lib/async/intercept_run_async6_test.dart
index ae42ed5120f5fc321cee3b924e33605c2df1a892..255c90b339b2efb0d1d95c42b6e2df2c7fcd1bdd 100644
--- a/tests/lib/async/intercept_run_async6_test.dart
+++ b/tests/lib/async/intercept_run_async6_test.dart
@@ -13,7 +13,7 @@ var events = [];
 
 body() {
   events.add("body entry");
-  runAsync(() {
+  scheduleMicrotask(() {
     events.add("run async body");
     throw "foo";
   });
@@ -22,7 +22,7 @@ body() {
 
 onAsyncHandler(fun) {
   events.add("async handler");
-  runAsync(fun);
+  scheduleMicrotask(fun);
   events.add("async handler done");
 }
 
@@ -40,7 +40,7 @@ main() {
   // Test that runZonedExperimental works when async, error and done are used.
   var result = runZonedExperimental(
       body,
-      onRunAsync: onAsyncHandler,
+      onScheduleMicrotask: onAsyncHandler,
       onError: onErrorHandler,
       onDone: onDoneHandler);
   events.add("after");