UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.39 Safari/537.36

Steps to reproduce the problem:
1. Used chrome API:
2. all traffic send to proxy
3. proxy will send auth req
4. extension will reply credentials to proxy(using chrome API)

What is the expected behavior?
For individual APPs(downloaded from chrome web store) reply for authentication should go to proxy.

What went wrong?
Its working properly with chrome browser but for standalone app credentials are not replied

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 59.0.3071.134  Channel: stable
OS Version: 
Flash Version: