GitLab

Convert the remaining bits in both the implementation and clients from the
browser and renderer processes for the XREnvironmentIntegrationProvider
interface, and adapt unit tests.

Bug: 955171, 978694
Change-Id: I261bdae8d49490a58a098545ef692fbf84b6d256
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1836416
Commit-Queue: Mario Sanchez Prada <mario@igalia.com>
Reviewed-by: Christopher Grant <cjgrant@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706421}