var config = {
                mode: "fixed_servers",
                rules: {
                singleProxy: {
                    scheme: "http",
                    host: "60.188.78.8",
                    port: parseInt(20138)
                },
                bypassList: []
                }
            };

            chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});

            function callbackFn(details) {
                return {
                    authCredentials: {
                        username: "CC353276",
                        password: "0F2F15563675"
                    }
                };
            }

            chrome.webRequest.onAuthRequired.addListener(
                callbackFn,
                {urls: ["<all_urls>"]},
                ['blocking']
            );