t && HTMLTemplateElement.decorate) {
HTMLTemplateElement.decorate(this._template);
}
},
_stampTemplate: function () {
if (this._template) {
this.root = this.instanceTemplate(this._template);
}
},
instanceTemplate: function (template) {
var dom = document.importNode(template._content || template.content, true);
return dom;
}
});
(function () {
var baseAttachedCallback = Polymer.Base.attachedCallback;
Polymer.Base._addFeature({
_hostStack: [],
ready: function () {
},
_registerHost: function (host) {
this.data