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

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

 
 class HTMLBodyElement extends HTMLElement native "*HTMLBodyElement" {
 
-  String aLink;
+  String get aLink() native "return this.aLink;";
 
-  String background;
+  void set aLink(String value) native "this.aLink = value;";
 
-  String bgColor;
+  String get background() native "return this.background;";
 
-  String link;
+  void set background(String value) native "this.background = value;";
 
-  String text;
+  String get bgColor() native "return this.bgColor;";
 
-  String vLink;
+  void set bgColor(String value) native "this.bgColor = value;";
+
+  String get link() native "return this.link;";
+
+  void set link(String value) native "this.link = value;";
+
+  String get text() native "return this.text;";
+
+  void set text(String value) native "this.text = value;";
+
+  String get vLink() native "return this.vLink;";
+
+  void set vLink(String value) native "this.vLink = value;";
 }