Chrome Version:	64.0.3281.0
VrCore:	1.10.172754103
OS: Android N
Device: Pixel XL

What steps will reproduce the problem?

Quick summary:
the bug is that if you go from Chrome VR -> WebVr, exit by pressing system back menu, then immediately press the Enter WebVR button

(1) Using Daydream headset, enter WebVR presentation https://webvr.info/samples/03-vr-presentation.html
(2) Press app button to exit WebVR and enter Chrome VR
(3) Re-enter WebVR presentation by selecting the Enter VR button with Daydream controller.
(4) Remove device from headset, swipe in from the side of the screen and press the system back button
(5) Immediately hit the Enter VR button

What is the expected result? WebVR presents successfully

What happens instead? Chrome VR flashes, then a message appears promting user to remove device from headset, then the Chrome page shows the aw snap crashed message. See video attached.

Note that this doesn't repro by just exiting WebVR then re-entering WebVR quickly. You need to start from Chrome VR.

 

Deleted: screen.mp4 12.8 MB

	screen.mp4 12.8 MB View Download