fix list initializers

lib/runtime/dart/async.js

 var async;
 (function(exports) {
   'use strict';
   // Function _invokeErrorHandler: (Function, Object, StackTrace) → dynamic
   function _invokeErrorHandler(errorHandler, error, stackTrace) {
     if (dart.is(errorHandler, ZoneBinaryCallback)) {
       return dart.dcall(errorHandler, error, stackTrace);
     } else {
       return dart.dcall(errorHandler, error);
     }
@@ skipping 426 matching lines @@
         }, {
           onError: future[_completeError],
           onDone: () => {
             future[_complete](true);
           },
           cancelOnError: true
         });
         return future;
       }
       toList() {
-        let result = new core.List$(T).from([]);
+        let result = dart.setType([], core.List$(T));
         let future = new (_Future$(core.List$(T)))();
         this.listen(data => {
           result[core.$add](data);
         }, {
           onError: future[_completeError],
           onDone: () => {
             future[_complete](result);
           },
           cancelOnError: true
         });
@@ skipping 1338 matching lines @@
                   dart.dcall(cleanUp, value);
                 });
               }
               if (remaining == 0 && !dart.notNull(eagerError)) {
                 result[_completeError](error, stackTrace);
               }
             }
           }, {onError: handleError});
         }
         if (remaining == 0) {
-          return new Future$(core.List).value(/* Unimplemented const */new core.List.from([]));
+          return new Future$(core.List).value(/* Unimplemented const */[]);
         }
         values = new core.List(remaining);
         return result;
       }
       static forEach(input, f) {
         let iterator = input[core.$iterator];
         return Future.doWhile(() => {
           if (!dart.notNull(iterator.moveNext()))
             return false;
           return new Future.sync(() => dart.dcall(f, iterator.current)).then(_ => true);
@@ skipping 3433 matching lines @@
   exports.ScheduleMicrotaskHandler = ScheduleMicrotaskHandler;
   exports.CreateTimerHandler = CreateTimerHandler;
   exports.CreatePeriodicTimerHandler = CreatePeriodicTimerHandler;
   exports.PrintHandler = PrintHandler;
   exports.ForkHandler = ForkHandler;
   exports.ZoneSpecification = ZoneSpecification;
   exports.ZoneDelegate = ZoneDelegate;
   exports.Zone = Zone;
   exports.runZoned = runZoned;
 })(async || (async = {}));