Run runAsync callbacks of futures in their zone.

sdk/lib/async/future_impl.dart

Index: sdk/lib/async/future_impl.dart
diff --git a/sdk/lib/async/future_impl.dart b/sdk/lib/async/future_impl.dart
index a149161ba7ffef83552ca26fc74ec103d644aaed..c6bd25fba2972c2d631c34168a7cbb039cfd490c 100644
--- a/sdk/lib/async/future_impl.dart
+++ b/sdk/lib/async/future_impl.dart
@@ -224,9 +224,9 @@ class _Future<T> implements Future<T> {
     assert(listener._nextListener == null);
     if (_isComplete) {
       // Handle late listeners asynchronously.
-      runAsync(() {
+      _zone.runAsync(() {
         _propagateToListeners(this, listener);
-      });
+      }, _zone);
     } else {
       listener._nextListener = _resultOrListeners;
       _resultOrListeners = listener;
@@ -341,9 +341,7 @@ class _Future<T> implements Future<T> {
     }
 
     _markPendingCompletion();
-    runAsync(() {
-      _complete(value);
-    });
+    _zone.runAsync(() { _complete(value); }, _zone);
   }
 
   void _asyncCompleteError(error, [StackTrace stackTrace]) {
@@ -354,9 +352,7 @@ class _Future<T> implements Future<T> {
     assert(_errorTest == null);
 
     _markPendingCompletion();
-    runAsync(() {
-      _completeError(error, stackTrace);
-    });
+    _zone.runAsync(() { _completeError(error, stackTrace); }, _zone);
   }
 
   /**