Looking for logging into the Chrome Extension Example site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Chrome Extension Example site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/7217137/chrome-extension-login-best-practices
https://developers.chrome.com/extensions/app_identity
https://www.quora.com/How-do-you-create-a-secure-login-on-a-Google-Chrome-extension-like-Asana
https://gist.github.com/raineorshine/970b60902c9e6e04f71d
https://github.com/orbitbot/chrome-extensions-examples
https://medium.com/tech-buddy/oauth-2-0-single-sign-on-authentication-in-chrome-extension-8f3f3ffd89c7
https://code.likeagirl.io/how-i-wrote-my-first-google-chrome-extension-using-spotifys-api-90de4ffc6ef3
https://www.sitepoint.com/build-trello-chrome-extension-api-authentication/
https://usersnap.com/blog/develop-chrome-extension/
https://twittercommunity.com/t/chrome-extension-authentication-with-twitter/2494
https://medium.freecodecamp.org/how-to-create-a-chrome-extension-part-1-ad2a3a77541
http://www.adambarth.com/experimental/crx/docs/samples.html
https://thoughtbot.com/blog/how-to-make-a-chrome-extension