Make DOMType the root of DOM implementation types.

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

 
-class IDBTransactionJS implements IDBTransaction native "*IDBTransaction" {
+class IDBTransactionJs extends DOMTypeJs implements IDBTransaction native "*IDBTransaction" {
 
   static final int READ_ONLY = 0;
 
   static final int READ_WRITE = 1;
 
   static final int VERSION_CHANGE = 2;
 
-  IDBDatabaseJS get db() native "return this.db;";
+  IDBDatabaseJs get db() native "return this.db;";
 
   int get mode() native "return this.mode;";
 
   EventListener get onabort() native "return this.onabort;";
 
   void set onabort(EventListener value) native "this.onabort = value;";
 
   EventListener get oncomplete() native "return this.oncomplete;";
 
   void set oncomplete(EventListener value) native "this.oncomplete = value;";
 
   EventListener get onerror() native "return this.onerror;";
 
   void set onerror(EventListener value) native "this.onerror = value;";
 
   void abort() native;
 
   void addEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 
-  bool dispatchEvent(EventJS evt) native;
+  bool dispatchEvent(EventJs evt) native;
 
-  IDBObjectStoreJS objectStore(String name) native;
+  IDBObjectStoreJs objectStore(String name) native;
 
   void removeEventListener(String type, EventListener listener, [bool useCapture = null]) native;
-
-  var dartObjectLocalStorage;
-
-  String get typeName() native;
 }