.observe(Polymer.Async._twiddle,{characterData:true});Polymer.Debounce=function(){var Async=Polymer.Async;var Debouncer=function(context){this.context=context;var self=this;this.boundComplete=function(){self.complete();};};Debouncer.prototype={go:function(callback,wait){var h;this.finish=function(){Async.cancel(h);};h=Async.run(this.boundComplete,wait);this.callback=callback;},stop:function(){if(this.finish){this.finish();this.finish=null;this.callback=null;}},complete:function(){if(this.finish){var...