Make DOMType the root of DOM implementation types.

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

Index: client/dom/generated/src/frog/HTMLObjectElement.dart
diff --git a/client/dom/generated/src/frog/HTMLObjectElement.dart b/client/dom/generated/src/frog/HTMLObjectElement.dart
index f33e3bdb672ec6a9c24d2d04903173fd58646874..4bfe927307dcdb5de90f7e782f777626335f0c5f 100644
--- a/client/dom/generated/src/frog/HTMLObjectElement.dart
+++ b/client/dom/generated/src/frog/HTMLObjectElement.dart
@@ -1,5 +1,5 @@
 
-class HTMLObjectElementJS extends HTMLElementJS implements HTMLObjectElement native "*HTMLObjectElement" {
+class HTMLObjectElementJs extends HTMLElementJs implements HTMLObjectElement native "*HTMLObjectElement" {
 
   String get align() native "return this.align;";
 
@@ -25,7 +25,7 @@ class HTMLObjectElementJS extends HTMLElementJS implements HTMLObjectElement nat
 
   void set codeType(String value) native "this.codeType = value;";
 
-  DocumentJS get contentDocument() native "return this.contentDocument;";
+  DocumentJs get contentDocument() native "return this.contentDocument;";
 
   String get data() native "return this.data;";
 
@@ -35,7 +35,7 @@ class HTMLObjectElementJS extends HTMLElementJS implements HTMLObjectElement nat
 
   void set declare(bool value) native "this.declare = value;";
 
-  HTMLFormElementJS get form() native "return this.form;";
+  HTMLFormElementJs get form() native "return this.form;";
 
   String get height() native "return this.height;";
 
@@ -63,7 +63,7 @@ class HTMLObjectElementJS extends HTMLElementJS implements HTMLObjectElement nat
 
   String get validationMessage() native "return this.validationMessage;";
 
-  ValidityStateJS get validity() native "return this.validity;";
+  ValidityStateJs get validity() native "return this.validity;";
 
   int get vspace() native "return this.vspace;";
 
@@ -77,7 +77,7 @@ class HTMLObjectElementJS extends HTMLElementJS implements HTMLObjectElement nat
 
   bool checkValidity() native;
 
-  SVGDocumentJS getSVGDocument() native;
+  SVGDocumentJs getSVGDocument() native;
 
   void setCustomValidity(String error) native;
 }