Rename runAsync to scheduleMicrotask.

tests/lib/async/zone_debug_test.dart

Index: tests/lib/async/zone_debug_test.dart
diff --git a/tests/lib/async/zone_debug_test.dart b/tests/lib/async/zone_debug_test.dart
index 3d41edbef15dbdcfe38e7efce5bd1401114e7c5d..fca0a5ea459d997577185e5e1a5d4d369d5f84b5 100644
--- a/tests/lib/async/zone_debug_test.dart
+++ b/tests/lib/async/zone_debug_test.dart
@@ -79,10 +79,10 @@ main() {
   openTests++;
   forked.run(() {
     int forkTrace = stackTrace;
-    runAsync(() {
-      int runAsyncTrace = stackTrace;
-      runAsync(() {
-        expectedDebugTrace = [runAsyncTrace, forkTrace];
+    scheduleMicrotask(() {
+      int scheduleMicrotaskTrace = stackTrace;
+      scheduleMicrotask(() {
+        expectedDebugTrace = [scheduleMicrotaskTrace, forkTrace];
         openTests--;
         if (openTests == 0) {
           done.complete();
@@ -112,7 +112,7 @@ main() {
       if (openTests == 0) {
         done.complete();
       }
-      runAsync(() {
+      scheduleMicrotask(() {
         expectedDebugTrace = [fork3Trace, fork2Trace, globalTrace];
         throw "gee";
       });