I have tryed to make a request from console:

var xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET", "chrome://version");
xmlhttp.onreadystatechange = function()
{
    if ((xmlhttp.status == 200) && (xmlhttp.readyState == 4))
    {
        console.log(xmlhttp.responseText)
    }
};
xmlhttp.send();

This work perfectly on console, but when I try to execute it on background.js I have this error:

Not allowed to load local resource: chrome://version/

I have tryed to give permission in manifest.json but was unsuccessfull

Permission I have given to manifest: fileSystem

If there is no way to get chrome version, how I can identificate a chrome user like profile path, whitout the profile is logged in google.