Per  Issue 833477 , we will first enable VR browsing on Standalone/AIO devices via a toggle from 2D Clank as a medium-term solution.

The proper long-term solution is to identify the complete set of functionality required for a full VR browser experience on standalone/AIO devices, without requiring a fallback to 2D.

First step is to identify the remaining UI surfaces in Chrome that are not already VR-enabled that need to be.