Toggle the setting 'Block 3rd Party Cookies'
This chrome extension provides a toolbar button to toggle the Chrome setting "Block 3rd Party Cookies". You can quickly deny or allow the web sites to set 3rd party cookies. Users can allow 3rd party cookies on certain web sites, which do not work without them, but otherwise block the cookies.
Source Code on GitHub
https://github.com/AndiJo80/toggle_3rd_party_cookies