tracer says to #ysitd
if("style"==c.toLowerCase())d=k.html.SafeHtml.getStyleValue_(d);else{if(/^on/i.test(c))throw Error('Attribute "'+c+'" requires goog.string.Const value, "'+d+'" given.');if(c.toLowerCase()in k.html.SafeHtml.URL_ATTRIBUTES_)if(d instanceof k.html.TrustedResourceUrl)d=k.html.TrustedResourceUrl.unwrap(d);else if(d instanceof k.html.SafeUrl)d=k.html.SafeUrl.unwrap(d);else if(k.isString(d))d=