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

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

Index: client/dom/generated/src/frog/SVGPathSegCurvetoCubicSmoothAbs.dart
diff --git a/client/dom/generated/src/frog/SVGPathSegCurvetoCubicSmoothAbs.dart b/client/dom/generated/src/frog/SVGPathSegCurvetoCubicSmoothAbs.dart
index 7f7890fdbb515e196c0b05e9efbc1c22bf972755..4795f81e401126e5e0a4abc883bce22eabe11a63 100644
--- a/client/dom/generated/src/frog/SVGPathSegCurvetoCubicSmoothAbs.dart
+++ b/client/dom/generated/src/frog/SVGPathSegCurvetoCubicSmoothAbs.dart
@@ -1,19 +1,11 @@
 
 class _SVGPathSegCurvetoCubicSmoothAbsJs extends _SVGPathSegJs implements SVGPathSegCurvetoCubicSmoothAbs native "*SVGPathSegCurvetoCubicSmoothAbs" {
 
-  num get x() native "return this.x;";
+  num x;
 
-  void set x(num value) native "this.x = value;";
+  num x2;
 
-  num get x2() native "return this.x2;";
+  num y;
 
-  void set x2(num value) native "this.x2 = value;";
-
-  num get y() native "return this.y;";
-
-  void set y(num value) native "this.y = value;";
-
-  num get y2() native "return this.y2;";
-
-  void set y2(num value) native "this.y2 = value;";
+  num y2;
 }