As a workaround:
Open up a new window with netflix with minimal toolbars. Type the following into the address bar to do this:
Set that window to be "Always On Top".
I prefer doing this with the program Autohotkey. More ways to do this: https://www.howtogeek.com/196958/the-3-best-ways-to-make-a-window-always-on-top-on-windows/
Note about step 1: A window without any toolbars looks minimal in Chrome. So you get most of the window area for the video.