in src/common/pluginloader.js [36:49]
function injectIfNecessary (id, url, onload, onerror) {
onerror = onerror || onload;
if (id in define.moduleMap) {
onload();
} else {
exports.injectScript(url, function () {
if (id in define.moduleMap) {
onload();
} else {
onerror();
}
}, onerror);
}
}