You have the same problem.
I removed the chrome from the white list and added it again. Reset again
After receiving the page with a link to appengine (Remote Debugging (AppEngine)). There you should let scripts load (click the screen icon to the right of the URL next to your favorite icon).
Enjoy the debug console :)
Update: There was another problem - the connection to the receiver was clarified until I checked the guest mode for the receiver in the console of the chrome console.
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