After searching for many hours I am starting to think this is impossible.
I need to run Chrome through selenium using different authenticated (not public) proxy\'s f
THis is a temporary solution might work in initial state: Code is in Python: Download the plugin first from chrome plugin store : Proxy-Auto-Auth_v2.0.crx
options = webdriver.ChromeOptions()
options.add_extension("./Proxy-Auto-Auth_v2.0.crx")) #this will provide you a window to enter user name and proxy
driver = webdriver.Remote(command_executor=selenium_server,desired_capabilities=options.to_capabilities())
or
driver = webdriver.Chrome(chrome_options=options)