"chrome" in this context refers to the control elements of the browser
https://en.wikipedia.org/wiki/Graphical_user_interface#User_...
I'm sure they have their reasons for letting pages make Xhr calls to add-ons like that but seems complicated.
"chrome" in this context refers to the control elements of the browser
https://en.wikipedia.org/wiki/Graphical_user_interface#User_...