Minor changes to the dart:io library files.

runtime/bin/timer_impl.dart

 // Copyright (c) 2011, 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.
 
 class _Timer implements Timer {
   // Set jitter to wake up timer events that would happen in _TIMER_JITTER ms.
   static final int _TIMER_JITTER = 0;
 
   // Disables the timer.
   static final int _NO_TIMER = -1;
 
   static Timer _createTimer(void callback(Timer timer),
                            int milliSeconds,
                            bool repeating) {
-    EventHandler._start();
+    _EventHandler._start();
     if (_timers === null) {
       _timers = new DoubleLinkedQueue<_Timer>();
     }
     Timer timer = new _Timer._internal();
     timer._callback = callback;
     timer._milliSeconds = milliSeconds;
     timer._wakeupTime = (new Date.now()).value + milliSeconds;
     timer._repeating = repeating;
     timer._addTimerToList();
     timer._notifyEventHandler();
@@ skipping 66 matching lines @@
       // While we are already handling callbacks we will not notify the event
       // handler. _handleTimeout will call _notifyEventHandler once all pending
       // timers are processed.
       return;
     }
 
     if (_timers.firstEntry() === null) {
       // No pending timers: Close the receive port and let the event handler
       // know.
       if (_receivePort !== null) {
-        EventHandler._sendData(-1, _receivePort, _NO_TIMER);
+        _EventHandler._sendData(-1, _receivePort, _NO_TIMER);
         _shutdownTimerHandler();
       }
     } else {
       if (_receivePort === null) {
         // Create a receive port and register a message handler for the timer
         // events.
         _createTimerHandler();
       }
-      EventHandler._sendData(-1,
-                             _receivePort,
-                             _timers.firstEntry().element._wakeupTime);
+      _EventHandler._sendData(-1,
+                              _receivePort,
+                              _timers.firstEntry().element._wakeupTime);
     }
   }
 
 
   // Creates a receive port and registers the timer handler on that
   // receive port.
   void _createTimerHandler() {
 
     void _handleTimeout() {
       int currentTime = (new Date.now()).value + _TIMER_JITTER;
@@ skipping 49 matching lines @@
 
   static ReceivePort _receivePort;
   static bool _handling_callbacks = false;
 
   var _callback;
   int _milliSeconds;
   int _wakeupTime;
   bool _repeating;
 }