It's an API that is available to extension developers. The wrinkle here is that Google bundles a hidden "Hangouts Services" extension in Chrome with permissions for *.google.com (the extension's ID is the "nkeimhogjdpnpccoofpliimaahmaaome" referenced in the examples).
It's an API that is available to extension developers. The wrinkle here is that Google bundles a hidden "Hangouts Services" extension in Chrome with permissions for *.google.com (the extension's ID is the "nkeimhogjdpnpccoofpliimaahmaaome" referenced in the examples).
There's been proposals in the thread calling for it to be opened. I also saw one on Twitter calling for it to be opened under the DMA.