UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Steps to reproduce the problem:
1. Have a backend that responds to the /json/* API for remote debugging 
2. Use Transfer-Encoding: chunked 
3. Chrome inspector doesn't find any remote instances even though the data is being produced

What is the expected behavior?
Expected the available instances to be listed in chrome://inspect remote targets but none is displayed.

What went wrong?
The remote target in chrome://inspect doesn't list instances which respond to the /json/* API with a Transfer-Encoding: chunked (no Content-Length header).

If the backend doesn't use Transfer-Encoding, the remote targets are listed correctly.

Did this work before? N/A 

Chrome version: 66.0.3359.181  Channel: n/a
OS Version: OS X 10.13.4
Flash Version: