I just find out, that this bug is related to another bug: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1689825
This problem with wifi password is just another one of many, all probably connected to the gnome-keyring.
After calling ```gnome-keyring-daemon &``` after login, problem is not present any more.
I just find out, that this bug is related to another bug: /bugs.launchpad .net/ubuntu/ +source/ chromium- browser/ +bug/1689825
https:/
This problem with wifi password is just another one of many, all probably connected to the gnome-keyring.
After calling ```gnome- keyring- daemon &``` after login, problem is not present any more.