Move frog dart:dom from fields to getters/setters.

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

 
 class IDBObjectStore native "*IDBObjectStore" {
 
-  String keyPath;
+  String get keyPath() native "return this.keyPath;";
 
-  String name;
+  String get name() native "return this.name;";
 
-  IDBTransaction transaction;
+  IDBTransaction get transaction() native "return this.transaction;";
 
   IDBRequest add(String value, [IDBKey key = null]) native;
 
   IDBRequest clear() native;
 
   IDBRequest count([IDBKeyRange range = null]) native;
 
   IDBIndex createIndex(String name, String keyPath) native;
 
   IDBRequest delete(IDBKey key) native;
 
   void deleteIndex(String name) native;
 
   IDBRequest getObject(IDBKey key) native;
 
   IDBIndex index(String name) native;
 
   IDBRequest openCursor([IDBKeyRange range = null, int direction = null]) native;
 
   IDBRequest put(String value, [IDBKey key = null]) native;
 
   var dartObjectLocalStorage;
 
   String get typeName() native;
 }