Add change to dartium source file in addition to the dart2js file.

tools/dom/src/dartium_KeyEvent.dart

Index: tools/dom/src/dartium_KeyEvent.dart
diff --git a/tools/dom/src/dartium_KeyEvent.dart b/tools/dom/src/dartium_KeyEvent.dart
index e6a246ea09dcc1694839bdf36e0bd2c5a0283da6..8f129a1016c25adcb25104f4413ba51cf1fb4aab 100644
--- a/tools/dom/src/dartium_KeyEvent.dart
+++ b/tools/dom/src/dartium_KeyEvent.dart
@@ -54,13 +54,13 @@ class KeyEvent implements KeyboardEvent {
 
   /** Accessor to provide a stream of KeyEvents on the desired target. */
   static EventStreamProvider<KeyEvent> keyDownEvent =
-    _KeyboardEventHandler('keydown');
+    new _KeyboardEventHandler('keydown');

[Emily Fortuna, 2013/03/25 20:32:59]

This corresponding change in the dart2js_KeyEvent.dart file was in the original
checkout. Apparently this file missed that change though.

   /** Accessor to provide a stream of KeyEvents on the desired target. */
   static EventStreamProvider<KeyEvent> keyUpEvent =
-    _KeyboardEventHandler('keyup');
+    new _KeyboardEventHandler('keyup');
   /** Accessor to provide a stream of KeyEvents on the desired target. */
   static EventStreamProvider<KeyEvent> keyPressEvent =
-    _KeyboardEventHandler('keypress');
+    new _KeyboardEventHandler('keypress');
 
   /** True if the altGraphKey is pressed during this event. */
   bool get altGraphKey => _parent.altGraphKey;