Example URL:

Steps to reproduce the problem:
1. Download and run the React VR samples: https://github.com/facebookincubator/react-vr
2. Navigate to any of the samples - ie, LayoutSample
3. Observe it displays as expected in the browser window, and the view moves as you move the phone.
* Tap the "View in VR" button.
* Insert phone in Daydream

What is the expected behavior?
I expected to be able to look around the VR room

What went wrong?
Everything was rendered black, except for the "Not Secure" warning. 

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? No 

Does this work in other browsers? N/A

Chrome version: 57.0.2953.0  Channel: canary
OS Version: 7.1.1
Flash Version: 

The problem doesn't appear to be related to running over an HTTP connection - I was able to run the webvr.info samples over HTTP.