fix KeyEvent and KeyboardEvent

tools/dom/src/KeyboardEventStream.dart

 // Copyright (c) 2012, 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.
 
 part of html;
 
 /**
  * Internal class that does the actual calculations to determine keyCode and
  * charCode for keydown, keypress, and keyup events for all browsers.
  */
@@ skipping 116 matching lines @@
     return KeyCode.UNKNOWN;
   }
 
   /**
    * Given the character code returned from a keyDown [event], try to ascertain
    * and return the corresponding charCode for the character that was pressed.
    * This information is not shown to the user, but used to help polyfill
    * keypress events.
    */
   int _findCharCodeKeyDown(KeyboardEvent event) {
-    if (event.keyLocation == 3) {
+    if (event.location == 3) {
       // Numpad keys.
       switch (event.keyCode) {
         case KeyCode.NUM_ZERO:
           // Even though this function returns _charCodes_, for some cases the
           // KeyCode == the charCode we want, in which case we use the keycode
           // constant for readability.
           return KeyCode.ZERO;
         case KeyCode.NUM_ONE:
           return KeyCode.ONE;
         case KeyCode.NUM_TWO:
@@ skipping 237 matching lines @@
       new _KeyboardEventHandler('keypress').forTarget(target);
 
   /** Named constructor to produce a stream for onKeyUp events. */
   static CustomStream<KeyEvent> onKeyUp(EventTarget target) =>
       new _KeyboardEventHandler('keyup').forTarget(target);
 
   /** Named constructor to produce a stream for onKeyDown events. */
   static CustomStream<KeyEvent> onKeyDown(EventTarget target) =>
       new _KeyboardEventHandler('keydown').forTarget(target);
 }