[imp] added interface for rendering engine

bzr revid: nicolas.vanhoren@openerp.com-20120320162616-09eftkmubyulg0cg

addons/web/static/src/js/view_form.js

@@ -726,6 +726,14 @@ openerp.web.FormView = openerp.web.View.extend( /** @lends openerp.web.FormView#
     }
 });
 
+/**
+ * Interface to be implemented by rendering engines for the form view.
+ */
+openerp.web.FormRenderingEngineInterface = {
+    set_fields_view: function(fields_view) {},
+    render_to: function($element) {},
+};
+
 /**
  * Default rendering engine for the form view.
  *