Auto reload proxy.pac file in chrome browser - google-chrome-extension

Question

I am using proxy.pac file to route my traffic in chrome browser.Whenever I change my proxy.pac file I need to manually click reapply settings button here chrome://net-internals/#proxy to make it work. My proxy.pac file will change frequently so it is difficult to manually apply changes every time.Is there a way to automate this process like any add ons or scripts.
Foxyproxy add on has a option to reload pac file automatically in Firefox but in chrome that option is not provided.

Answer 1

I just Modified your code based on Pac-Script proxy setting. It means it works only if you have proxy mode pacscript thats it.
document.addEventListener("DOMContentLoaded", function () {
var errorHandler = new ProxyErrorHandler();
var persistedSettings = ProxyFormController.getPersistedSettings();
if (persistedSettings !== null) {
if (persistedSettings.regular.mode == 'pac_script') {
// Do something every 5 seconds
setInterval(function() {
// call URL with random string to avoid URL cache
persistedSettings.regular.pacScript.url = 'myfile/path/for/fun.pac?nocache'+Math.floor((Math.random() * 1000) + 1);
chrome.proxy.settings.set({'value': persistedSettings.regular});
}, 5000);
}
chrome.proxy.settings.set({'value': persistedSettings.regular});
}
});

Answer 2

Download this sample chrome extension https://developer.chrome.com/extensions/examples/extensions/proxy_configuration.zip and replace the background.js with below script.Load this extension in developer mode.
document.addEventListener("DOMContentLoaded", function () {
var errorHandler = new ProxyErrorHandler();
var persistedSettings = ProxyFormController.getPersistedSettings();
setInterval(function() {
// Do something every 5 seconds
if (persistedSettings !== null) {
chrome.proxy.settings.set({'value': 'myfile/path/for/fun.pac'});
}
}, 5000);
});
This will reload PAC file every 5 seconds.