Generate constructors for frog DOM

client/dom/generated/src/frog/CanvasRenderingContext2D.dart

 
 class CanvasRenderingContext2D extends CanvasRenderingContext native "CanvasRenderingContext2D" {
 
-  Dynamic fillStyle;
+  Object fillStyle;
 
   String font;
 
   num globalAlpha;
 
   String globalCompositeOperation;
 
   String lineCap;
 
   String lineJoin;
 
   num lineWidth;
 
   num miterLimit;
 
   num shadowBlur;
 
   String shadowColor;
 
   num shadowOffsetX;
 
   num shadowOffsetY;
 
-  Dynamic strokeStyle;
+  Object strokeStyle;
 
   String textAlign;
 
   String textBaseline;
 
   List webkitLineDash;
 
   num webkitLineDashOffset;
 
   void arc(num x, num y, num radius, num startAngle, num endAngle, bool anticlockwise) native;
@@ skipping 77 matching lines @@
   void stroke() native;
 
   void strokeRect(num x, num y, num width, num height, [num lineWidth = null]) native;
 
   void strokeText(String text, num x, num y, [num maxWidth = null]) native;
 
   void transform(num m11, num m12, num m21, num m22, num dx, num dy) native;
 
   void translate(num tx, num ty) native;
 }