Always initialize the EventHandler in the standalone.

sdk/lib/io/timer_impl.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 class _Timer extends LinkedListEntry<_Timer> implements Timer {
   // Disables the timer.
   static const int _NO_TIMER = -1;
 
   // Timers are ordered by wakeup time.
   static LinkedList<_Timer> _timers = new LinkedList<_Timer>();
 
   static ReceivePort _receivePort;
   static bool _handling_callbacks = false;
 
   Function _callback;
   int _milliSeconds;
   int _wakeupTime;
 
   static Timer _createTimer(void callback(Timer timer),
                             int milliSeconds,
                             bool repeating) {
-    _EventHandler._start();
     _Timer timer = new _Timer._internal();
     timer._callback = callback;
     timer._wakeupTime =
         new DateTime.now().millisecondsSinceEpoch + milliSeconds;
     timer._milliSeconds = repeating ? milliSeconds : -1;
     timer._addTimerToList();
     timer._notifyEventHandler();
     return timer;
   }
 
@@ skipping 147 matching lines @@
 _getTimerFactoryClosure() {
   return (int milliSeconds, void callback(Timer timer), bool repeating) {
     if (repeating) {
       return new _Timer.periodic(milliSeconds, callback);
     }
     return new _Timer(milliSeconds, callback);
   };
 }