Chrome Version: 58.0.3029.83
OS: Android O (OPP2.170420.017)
Daydream VR Services: 1.6.153675580 (160725555)

What steps will reproduce the problem?
(1) Load up any WebVR content, e.g. go to vr.with.in and click enter VR
(2) Follow the onscreen instructions to hold the button on the daydream controller

What is the expected result?
The VR content should begin

What happens instead?
A completely black scene is presented