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runtime/lib/timer_impl.dart

Index: runtime/lib/timer_impl.dart
diff --git a/runtime/lib/timer_impl.dart b/runtime/lib/timer_impl.dart
index 4a83f935a7f0a6cc9cea77c6f28f749d2b3d21ef..9bb71b43ec7899af599a39369cd53e626df15bea 100644
--- a/runtime/lib/timer_impl.dart
+++ b/runtime/lib/timer_impl.dart
@@ -16,8 +16,7 @@ class _TimerHeap {
   List<_Timer> _list;
   int _used = 0;
 
-  _TimerHeap([int initSize = 7])
-      : _list = new List<_Timer>(initSize);
+  _TimerHeap([int initSize = 7]) : _list = new List<_Timer>(initSize);
 
   bool get isEmpty => _used == 0;
 
@@ -140,13 +139,12 @@ class _Timer implements Timer {
 
   static bool _handlingCallbacks = false;
 
-  Function _callback;  // Closure to call when timer fires. null if canceled.
-  int _wakeupTime;  // Expiration time.
-  final int _milliSeconds;  // Duration specified at creation.
-  final bool _repeating;  // Indicates periodic timers.
-  var _indexOrNext;  // Index if part of the TimerHeap, link otherwise.
-  int _id;  // Incrementing id to enable sorting of timers with same expiry.
-
+  Function _callback; // Closure to call when timer fires. null if canceled.
+  int _wakeupTime; // Expiration time.
+  final int _milliSeconds; // Duration specified at creation.
+  final bool _repeating; // Indicates periodic timers.
+  var _indexOrNext; // Index if part of the TimerHeap, link otherwise.
+  int _id; // Incrementing id to enable sorting of timers with same expiry.
 
   // Get the next available id. We accept collisions and reordering when the
   // _idCount overflows and the timers expire at the same millisecond.
@@ -156,16 +154,12 @@ class _Timer implements Timer {
     return result;
   }
 
+  _Timer._internal(
+      this._callback, this._wakeupTime, this._milliSeconds, this._repeating)
+      : _id = _nextId();
 
-  _Timer._internal(this._callback,
-                   this._wakeupTime,
-                   this._milliSeconds,
-                   this._repeating) : _id = _nextId();
-
-
-  static Timer _createTimer(void callback(Timer timer),
-                            int milliSeconds,
-                            bool repeating) {
+  static Timer _createTimer(
+      void callback(Timer timer), int milliSeconds, bool repeating) {
     // Negative timeouts are treated as if 0 timeout.
     if (milliSeconds < 0) {
       milliSeconds = 0;
@@ -177,40 +171,32 @@ class _Timer implements Timer {
     int now = VMLibraryHooks.timerMillisecondClock();
     int wakeupTime = (milliSeconds == 0) ? now : (now + 1 + milliSeconds);
 
-    _Timer timer = new _Timer._internal(callback,
-                                        wakeupTime,
-                                        milliSeconds,
-                                        repeating);
+    _Timer timer =
+        new _Timer._internal(callback, wakeupTime, milliSeconds, repeating);
     // Enqueue this newly created timer in the appropriate structure and
     // notify if necessary.
     timer._enqueue();
     return timer;
   }
 
-
   factory _Timer(int milliSeconds, void callback(Timer timer)) {
     return _createTimer(callback, milliSeconds, false);
   }
 
-
   factory _Timer.periodic(int milliSeconds, void callback(Timer timer)) {
     return _createTimer(callback, milliSeconds, true);
   }
 
-
   bool get _isInHeap => _indexOrNext is int;
 
-
   int _compareTo(_Timer other) {
     int c = _wakeupTime - other._wakeupTime;
     if (c != 0) return c;
     return _id - other._id;
   }
 
-
   bool get isActive => _callback != null;
 
-
   // Cancels a set timer. The timer is removed from the timer heap if it is a
   // non-zero timer. Zero timers are kept in the list as they need to consume
   // the corresponding pending message.
@@ -226,7 +212,6 @@ class _Timer implements Timer {
     }
   }
 
-
   void _advanceWakeupTime() {
     // Recalculate the next wakeup time. For repeating timers with a 0 timeout
     // the next wakeup time is now.
@@ -238,7 +223,6 @@ class _Timer implements Timer {
     }
   }
 
-
   // Adds a timer to the heap or timer list. Timers with the same wakeup time
   // are enqueued in order and notified in FIFO order.
   void _enqueue() {
@@ -260,7 +244,6 @@ class _Timer implements Timer {
     }
   }
 
-
   // Enqeue one message for each zero timer. To be able to distinguish from
   // EventHandler messages we send a _ZERO_EVENT instead of a _TIMEOUT_EVENT.
   static void _notifyZeroHandler() {
@@ -270,7 +253,6 @@ class _Timer implements Timer {
     _sendPort.send(_ZERO_EVENT);
   }
 
-
   // Handle the notification of a zero timer. Make sure to also execute non-zero
   // timers with a lower expiration time.
   static List _queueFromZeroEvent() {
@@ -291,7 +273,6 @@ class _Timer implements Timer {
     return pendingTimers;
   }
 
-
   static void _notifyEventHandler() {
     if (_handlingCallbacks) {
       // While we are already handling callbacks we will not notify the event
@@ -324,7 +305,6 @@ class _Timer implements Timer {
     }
   }
 
-
   static List _queueFromTimeoutEvent() {
     var pendingTimers = new List();
     if (_firstZeroTimer != null) {
@@ -352,7 +332,6 @@ class _Timer implements Timer {
     return pendingTimers;
   }
 
-
   static void _runTimers(List pendingTimers) {
     // If there are no pending timers currently reset the id space before we
     // have a chance to enqueue new timers.
@@ -402,7 +381,6 @@ class _Timer implements Timer {
     }
   }
 
-
   static void _handleMessage(msg) {
     var pendingTimers;
     if (msg == _ZERO_EVENT) {
@@ -410,7 +388,7 @@ class _Timer implements Timer {
       assert(pendingTimers.length > 0);
     } else {
       assert(msg == _TIMEOUT_EVENT);
-      _scheduledWakeupTime = null;  // Consumed the last scheduled wakeup now.
+      _scheduledWakeupTime = null; // Consumed the last scheduled wakeup now.
       pendingTimers = _queueFromTimeoutEvent();
     }
     _runTimers(pendingTimers);
@@ -419,7 +397,6 @@ class _Timer implements Timer {
     _notifyEventHandler();
   }
 
-
   // Tell the event handler to wake this isolate at a specific time.
   static void _scheduleWakeup(int wakeupTime) {
     if (_sendPort == null) {
@@ -429,7 +406,6 @@ class _Timer implements Timer {
     _scheduledWakeupTime = wakeupTime;
   }
 
-
   // Cancel pending wakeups in the event handler.
   static void _cancelWakeup() {
     assert(_sendPort != null);
@@ -437,7 +413,6 @@ class _Timer implements Timer {
     _scheduledWakeupTime = null;
   }
 
-
   // Create a receive port and register a message handler for the timer
   // events.
   static void _createTimerHandler() {
@@ -448,7 +423,6 @@ class _Timer implements Timer {
     _scheduledWakeupTime = null;
   }
 
-
   static void _shutdownTimerHandler() {
     _receivePort.close();
     _receivePort = null;
@@ -456,11 +430,9 @@ class _Timer implements Timer {
     _scheduledWakeupTime = null;
   }
 
-
   // The Timer factory registered with the dart:async library by the embedder.
-  static Timer _factory(int milliSeconds,
-                        void callback(Timer timer),
-                        bool repeating) {
+  static Timer _factory(
+      int milliSeconds, void callback(Timer timer), bool repeating) {
     if (repeating) {
       return new _Timer.periodic(milliSeconds, callback);
     }
@@ -468,7 +440,6 @@ class _Timer implements Timer {
   }
 }
 
-
 _setupHooks() {
   VMLibraryHooks.timerFactory = _Timer._factory;
 }