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

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

Index: client/dom/generated/src/frog/SVGPathSegCurvetoQuadraticAbs.dart
diff --git a/client/dom/generated/src/frog/SVGPathSegCurvetoQuadraticAbs.dart b/client/dom/generated/src/frog/SVGPathSegCurvetoQuadraticAbs.dart
index b55f7ac8f18b5819de59c895b65b04cc24377c5c..3843df8b12b6fa2203503ed4bca1534a7f7cdc9e 100644
--- a/client/dom/generated/src/frog/SVGPathSegCurvetoQuadraticAbs.dart
+++ b/client/dom/generated/src/frog/SVGPathSegCurvetoQuadraticAbs.dart
@@ -1,19 +1,11 @@
 
 class _SVGPathSegCurvetoQuadraticAbsJs extends _SVGPathSegJs implements SVGPathSegCurvetoQuadraticAbs native "*SVGPathSegCurvetoQuadraticAbs" {
 
-  num get x() native "return this.x;";
+  num x;
 
-  void set x(num value) native "this.x = value;";
+  num x1;
 
-  num get x1() native "return this.x1;";
+  num y;
 
-  void set x1(num value) native "this.x1 = value;";
-
-  num get y() native "return this.y;";
-
-  void set y(num value) native "this.y = value;";
-
-  num get y1() native "return this.y1;";
-
-  void set y1(num value) native "this.y1 = value;";
+  num y1;
 }