Use fields in hidden native DOM classes instead of getters/setters.

client/dom/generated/src/frog/HTMLTableCellElement.dart

Index: client/dom/generated/src/frog/HTMLTableCellElement.dart
diff --git a/client/dom/generated/src/frog/HTMLTableCellElement.dart b/client/dom/generated/src/frog/HTMLTableCellElement.dart
index 8eccc270cc7f72e9b44a7e4449b3f6a03d32577b..f679119c7b28736e10023585029625e11beff699 100644
--- a/client/dom/generated/src/frog/HTMLTableCellElement.dart
+++ b/client/dom/generated/src/frog/HTMLTableCellElement.dart
@@ -1,61 +1,33 @@
 
 class _HTMLTableCellElementJs extends _HTMLElementJs implements HTMLTableCellElement native "*HTMLTableCellElement" {
 
-  String get abbr() native "return this.abbr;";
+  String abbr;
 
-  void set abbr(String value) native "this.abbr = value;";
+  String align;
 
-  String get align() native "return this.align;";
+  String axis;
 
-  void set align(String value) native "this.align = value;";
+  String bgColor;
 
-  String get axis() native "return this.axis;";
+  final int cellIndex;
 
-  void set axis(String value) native "this.axis = value;";
+  String ch;
 
-  String get bgColor() native "return this.bgColor;";
+  String chOff;
 
-  void set bgColor(String value) native "this.bgColor = value;";
+  int colSpan;
 
-  int get cellIndex() native "return this.cellIndex;";
+  String headers;
 
-  String get ch() native "return this.ch;";
+  String height;
 
-  void set ch(String value) native "this.ch = value;";
+  bool noWrap;
 
-  String get chOff() native "return this.chOff;";
+  int rowSpan;
 
-  void set chOff(String value) native "this.chOff = value;";
+  String scope;
 
-  int get colSpan() native "return this.colSpan;";
+  String vAlign;
 
-  void set colSpan(int value) native "this.colSpan = value;";
-
-  String get headers() native "return this.headers;";
-
-  void set headers(String value) native "this.headers = value;";
-
-  String get height() native "return this.height;";
-
-  void set height(String value) native "this.height = value;";
-
-  bool get noWrap() native "return this.noWrap;";
-
-  void set noWrap(bool value) native "this.noWrap = value;";
-
-  int get rowSpan() native "return this.rowSpan;";
-
-  void set rowSpan(int value) native "this.rowSpan = value;";
-
-  String get scope() native "return this.scope;";
-
-  void set scope(String value) native "this.scope = value;";
-
-  String get vAlign() native "return this.vAlign;";
-
-  void set vAlign(String value) native "this.vAlign = value;";
-
-  String get width() native "return this.width;";
-
-  void set width(String value) native "this.width = value;";
+  String width;
 }