this is a new change directly within recent chrome releases. it has to do with working with http pages on non https protocols. its looking at the page content and predicting that because "password" and "username" variables were mentioned, the page "must be a login page."
http://money.cnn.com/2016/09/08/technology/google-chrome-flag-non-secure-sites/is your page using open http? or are you connecting through https?