Fix Google Font API spec in Internet Explorer (code branch only executed on IE tried to call a non existent mock method.)
Fix Google Font API spec in Internet Explorer (code branch only executed on IE tried to call a non existent mock method.)

typekit/webfontloader,kevinrodbe/webfontloader,zeixcom/webfontloader,mettjus/webfontloader,armandocanals/webfontloader,joelrich/webfontloader,digideskio/webfontloader,exsodus3249/webfontloader,mettjus/webfontloader,digideskio/webfontloader,digideskio/webfontloader,kevinrodbe/webfontloader,ramghaju/webfontloader,omo/webfontloader,zeixcom/webfontloader,omo/webfontloader,exsodus3249/webfontloader,Monotype/webfontloader,typekit/webfontloader,kevinrodbe/webfontloader,ahmadruhaifi/webfontloader,ramghaju/webfontloader,mettjus/webfontloader,Monotype/webfontloader,joelrich/webfontloader,exsodus3249/webfontloader,typekit/webfontloader,zeixcom/webfontloader,sapics/webfontloader,omo/webfontloader,ahmadruhaifi/webfontloader,JBusch/webfontloader,joelrich/webfontloader,ramghaju/webfontloader,sapics/webfontloader,armandocanals/webfontloader,JBusch/webfontloader,sapics/webfontloader,JBusch/webfontloader,ahmadruhaifi/webfontloader,armandocanals/webfontloader,Monotype/webfontloader