Merge pull request #942 from Hixie/wacky

Workaround to re-enable test

packages/flutter/lib/src/scheduler/scheduler.dart

@@ -95,12 +95,11 @@ abstract class Scheduler extends BindingBase {
 
   SchedulingStrategy schedulingStrategy = new DefaultSchedulingStrategy();
 
-  final PriorityQueue _taskQueue = new HeapPriorityQueue<_TaskEntry>(
-    (_TaskEntry e1, _TaskEntry e2) {
+  static int _taskSorter (_TaskEntry e1, _TaskEntry e2) {
     // Note that we inverse the priority.
     return -e1.priority.compareTo(e2.priority);
   }
-  );
+  final PriorityQueue _taskQueue = new HeapPriorityQueue<_TaskEntry>(_taskSorter);
 
   /// Whether this scheduler already requested to be called from the event loop.
   bool _hasRequestedAnEventLoopCallback = false;