Don't hardcode the list of events types in fn

sky/examples/fn/lib/component.dart

 // Copyright 2015 The Chromium Authors. 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 fn;
 
 List<Component> _dirtyComponents = new List<Component>();
 bool _renderScheduled = false;
 
 void _renderDirtyComponents() {
@@ skipping 85 matching lines @@
     }
 
     var oldRendered = _rendered;
     int lastOrder = _currentOrder;
     _currentOrder = _order;
     _currentlyRendering = this;
     _rendered = render();
     _currentlyRendering = null;
     _currentOrder = lastOrder;
 
+    _rendered.events.addAll(events);
+
     _dirty = false;
 
     // TODO(rafaelw): This prevents components from returning different node
     // types as their root node at different times. Consider relaxing.
     assert(oldRendered == null ||
            _rendered.runtimeType == oldRendered.runtimeType);
 
     if (_rendered._sync(oldRendered, host, insertBefore)) {
       _rendered = oldRendered; // retain stateful component
     }
@@ skipping 37 matching lines @@
 
     new Future.microtask(() {
       Stopwatch sw = new Stopwatch()..start();
       _sync(null, _host, null);
       assert(_root is sky.Node);
       sw.stop();
       print("Initial render: ${sw.elapsedMicroseconds} microseconds");
     });
   }
 }