For a more thorough/high level overview of the entire WebXR stack, please refer to components/webxr
The WebXR API enables Virtual Reality (VR) and Augmented Reality (AR) features on the Web.
WebXR and it's associated modules are developed by the Immersive Web W3C Working Group and Community Group
This Blink module implements the “core” WebXR Device API, as well as the following WebXR modules:
The Blink interfaces are supported by the backends implemented in chrome/browser/vr/ and device/vr/