The person said the device was still called Chromecast.

https://www.google.com/intl/en_us/chromecast/

https://www.google.com/intl/en_us/chromecast/tv/#?discover

Google is still branding the device as Chromecast and still heavily using the term in the marketing for the actual device.

Also, other companies make Google Cast supported hardware, such as the NVidia Shield.

https://shield.nvidia.com/blog/what-is-googlecast-chromecast