It's a little more setup, but I believe you can accomplish that in Multi-account...

		stordoff on March 28, 2018 \| parent \| context \| favorite \| on: Facebook Container Extension: Take control of how ... It's a little more setup, but I believe you can accomplish that in Multi-account Container extension by setting "Always open in <container>" for the Google domains.

Thanks ! It seems to do the trick.