More UIEvent attribute movement in 45 roll.

tools/dom/src/dartium_KeyEvent.dart

 /**
  * A custom KeyboardEvent that attempts to eliminate cross-browser
  * inconsistencies, and also provide both keyCode and charCode information
  * for all key events (when such information can be determined).
  *
  * KeyEvent tries to provide a higher level, more polished keyboard event
  * information on top of the "raw" [KeyboardEvent].
  *
  * The mechanics of using KeyEvents is a little different from the underlying
  * [KeyboardEvent]. To use KeyEvents, you need to create a stream and then add
@@ skipping 106 matching lines @@
   DataTransfer get clipboardData => _parent.clipboardData;
   /** True if the ctrl key is pressed during this event. */
   bool get ctrlKey => _parent.ctrlKey;
   int get detail => _parent.detail;
   /**
    * Accessor to the part of the keyboard that the key was pressed from (one of
    * KeyLocation.STANDARD, KeyLocation.RIGHT, KeyLocation.LEFT,
    * KeyLocation.NUMPAD, KeyLocation.MOBILE, KeyLocation.JOYSTICK).
    */
   int get keyLocation => _parent.keyLocation;
-  Point get layer => _parent.layer;
   /** True if the Meta (or Mac command) key is pressed during this event. */
   bool get metaKey => _parent.metaKey;
-  Point get page => _parent.page;
   /** True if the shift key was pressed during this event. */
   bool get shiftKey => _parent.shiftKey;
   Window get view => _parent.view;
   void _initUIEvent(String type, bool canBubble, bool cancelable,
       Window view, int detail) {
     throw new UnsupportedError("Cannot initialize a UI Event from a KeyEvent.");
   }
   String get _shadowKeyIdentifier => _parent._keyIdentifier;
 
   int get _charCode => charCode;
   int get _keyCode => keyCode;
   int get _which => which;
   String get _keyIdentifier {
     throw new UnsupportedError("keyIdentifier is unsupported.");
   }
   void _initKeyboardEvent(String type, bool canBubble, bool cancelable,
       Window view, String keyIdentifier, int keyLocation, bool ctrlKey,
       bool altKey, bool shiftKey, bool metaKey) {
     throw new UnsupportedError(
         "Cannot initialize a KeyboardEvent from a KeyEvent.");
   }
   @Experimental() // untriaged
   bool getModifierState(String keyArgument) => throw new UnimplementedError();
   @Experimental() // untriaged
   int get location => throw new UnimplementedError();
   @Experimental() // untriaged
   bool get repeat => throw new UnimplementedError();
   dynamic get _get_view => throw new UnimplementedError();
 }