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

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

Index: client/dom/generated/src/frog/SVGElement.dart
diff --git a/client/dom/generated/src/frog/SVGElement.dart b/client/dom/generated/src/frog/SVGElement.dart
index 5b58049b0a23847e9cbf98306ea69c2fc3dd1804..927fc3b4b73137473b540e90603fce3cb2c618e8 100644
--- a/client/dom/generated/src/frog/SVGElement.dart
+++ b/client/dom/generated/src/frog/SVGElement.dart
@@ -1,11 +1,15 @@
 
 class SVGElement extends Element native "*SVGElement" {
 
-  String id;
+  String get id() native "return this.id;";
 
-  SVGSVGElement ownerSVGElement;
+  void set id(String value) native "this.id = value;";
 
-  SVGElement viewportElement;
+  SVGSVGElement get ownerSVGElement() native "return this.ownerSVGElement;";
 
-  String xmlbase;
+  SVGElement get viewportElement() native "return this.viewportElement;";
+
+  String get xmlbase() native "return this.xmlbase;";
+
+  void set xmlbase(String value) native "this.xmlbase = value;";
 }