[webkit-dev] Starting January 4, 2021, Google will block all sign-ins to Google accounts from embedded browser frameworks

[Michael Catanzaro]

Oh, I missed a very important point. There is a header we can use to 
test: Google-Accounts-Check-OAuth-Login:true. I will try to figure out 
how to hack up the libsoup backend to send that header with all 
requests and see what happens....