anchor.diff:  
     Future type(String keys,
             {bool sync: true, bool focusBefore: true, bool blurAfter: true}) =>
  -      loader.executeSynced(() => _fireKeyPressEvents(node, keys.codeUnits.length), sync);
  +      loader.executeSynced(() => _fireKeyPressEvents(node, keys.length), sync);
   
     // KeyEvent doesn't work in Dartium due to:
     // https://code.google.com/p/dart/issues/detail?id=13902
  
positive.code:         // TODO(DrMarcII) consider whether this should be sent to
          // document.activeElement to more closely match WebDriver behavior.
          if (focusBefore) await _microtask(() => document.body.focus());
          await _fireKeyPressEvents(document.body, keys.codeUnits.length);
          if (blurAfter) await _microtask(() => document.body.blur());
        }, sync);
  }
  
negative.code:           {bool sync: true, bool focusBefore: true, bool blurAfter: true}) =>
        loader.executeSynced(() async {
          if (focusBefore) await focus(sync: false);
          await _fireKeyPressEvents(node, keys.length);
          if (node is InputElement || node is TextAreaElement) {
            // suppress warning by hiding field
            dynamic node = this.node;
  