Move frog dart:dom from fields to getters/setters.

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

Index: client/dom/generated/src/frog/HTMLTableSectionElement.dart
diff --git a/client/dom/generated/src/frog/HTMLTableSectionElement.dart b/client/dom/generated/src/frog/HTMLTableSectionElement.dart
index e23fcc51c6a63e5431616668450d7b1bded81469..6fbeab7d410826aaf447ed1916e7f02549b07586 100644
--- a/client/dom/generated/src/frog/HTMLTableSectionElement.dart
+++ b/client/dom/generated/src/frog/HTMLTableSectionElement.dart
@@ -1,15 +1,23 @@
 
 class HTMLTableSectionElement extends HTMLElement native "*HTMLTableSectionElement" {
 
-  String align;
+  String get align() native "return this.align;";
 
-  String ch;
+  void set align(String value) native "this.align = value;";
 
-  String chOff;
+  String get ch() native "return this.ch;";
 
-  HTMLCollection rows;
+  void set ch(String value) native "this.ch = value;";
 
-  String vAlign;
+  String get chOff() native "return this.chOff;";
+
+  void set chOff(String value) native "this.chOff = value;";
+
+  HTMLCollection get rows() native "return this.rows;";
+
+  String get vAlign() native "return this.vAlign;";
+
+  void set vAlign(String value) native "this.vAlign = value;";
 
   void deleteRow(int index) native;