Comment and white-space cleanup in IO libraries.

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.
-   */
+  // Set jitter to wake up timer events that would happen in _TIMER_JITTER ms.
   static final int _TIMER_JITTER = 0;
 
-  /*
-   * Disables the timer.
-   */
+  // Disables the timer.
   static final int _NO_TIMER = -1;
 
   static Timer _createTimer(void callback(Timer timer),
                            int milliSeconds,
                            bool repeating) {
     EventHandler._start();
     if (_timers === null) {
       _timers = new DoubleLinkedQueue<_Timer>();
     }
     Timer timer = new _Timer._internal();
@@ skipping 16 matching lines @@
 
   _Timer._internal() {}
 
   void _clear() {
     _callback = null;
     _milliSeconds = 0;
     _wakeupTime = 0;
     _repeating = false;
   }
 
-  /*
-   * Cancels a set timer. The timer is removed from the timer list and if
-   * the given timer is the earliest timer the native timer is reset.
-   */
+
+  // Cancels a set timer. The timer is removed from the timer list and if
+  // the given timer is the earliest timer the native timer is reset.
   void cancel() {
     _clear();
     DoubleLinkedQueueEntry<_Timer> entry = _timers.firstEntry();
     DoubleLinkedQueueEntry<_Timer> first = _timers.firstEntry();
 
      while (entry !== null) {
       if (entry.element === this) {
         entry.remove();
         if (first.element == this) {
           entry = _timers.firstEntry();
           _notifyEventHandler();
         }
         return;
       }
       entry = entry.nextEntry();
     }
   }
 
   void _advanceWakeupTime() {
     _wakeupTime += _milliSeconds;
   }
 
-  /*
-   * Adds a timer to the timer list and resets the native timer if it is the
-   * earliest timer in the list.  Timers with the same wakeup time are enqueued
-   * in order and notified in FIFO order.
-   */
+  // Adds a timer to the timer list and resets the native timer if it is the
+  // earliest timer in the list.  Timers with the same wakeup time are enqueued
+  // in order and notified in FIFO order.
   void _addTimerToList() {
     if (_callback !== null) {
 
       DoubleLinkedQueueEntry<_Timer> entry = _timers.firstEntry();
       while (entry !== null) {
         if (_wakeupTime < entry.element._wakeupTime) {
           entry.prepend(this);
           return;
         }
         entry = entry.nextEntry();
@@ skipping 24 matching lines @@
         // events.
         _createTimerHandler();
       }
       EventHandler._sendData(-1,
                              _receivePort,
                              _timers.firstEntry().element._wakeupTime);
     }
   }
 
 
-  /*
-   * Creates a receive port and registers the timer handler on that receive
-   * port.
-   */
+  // 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;
 
       // Collect all pending timers.
       DoubleLinkedQueueEntry<_Timer> entry = _timers.firstEntry();
       var pending_timers = new List();
       while (entry !== null) {
         _Timer timer = entry.element;
@@ skipping 31 matching lines @@
       });
     }
   }
 
   void _shutdownTimerHandler() {
     _receivePort.close();
     _receivePort = null;
   }
 
 
-  /*
-   * Timers are ordered by wakeup time.
-   */
+  // Timers are ordered by wakeup time.
   static DoubleLinkedQueue<_Timer> _timers;
 
   static ReceivePort _receivePort;
   static bool _handling_callbacks = false;
 
   var _callback;
   int _milliSeconds;
   int _wakeupTime;
   bool _repeating;
 }