Frog dart:dom using interfaces and native implementation classes.

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

 
-class HTMLFontElement extends HTMLElement native "*HTMLFontElement" {
+class HTMLFontElementJS extends HTMLElementJS implements HTMLFontElement native "*HTMLFontElement" {
 
   String get color() native "return this.color;";
 
   void set color(String value) native "this.color = value;";
 
   String get face() native "return this.face;";
 
   void set face(String value) native "this.face = value;";
 
   String get size() native "return this.size;";
 
   void set size(String value) native "this.size = value;";
 }