Example URL:
chrome://sandbox

Steps to reproduce the problem:
1. Type chrome://sandbox in search bar
2. hit enter
3. 

What is the expected behavior?
to show sandbox status of the browser 

What went wrong?
I'm given a site can't be reached page

Does it occur on multiple sites: No

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? Yes 

Chrome version: 53.0.2776.0  Channel: stable
OS Version: 6.0
Flash Version: