The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9bc6b47b6a47c88857187c1c03f77d4aec9fee88

commit 9bc6b47b6a47c88857187c1c03f77d4aec9fee88
Author: David Dorwin <ddorwin@chromium.org>
Date: Wed Jul 18 18:18:25 2018

Update WebXR Origin Trial name for M69

WebXRGamepadSupport remains unchanged because there are no API changes.

Bug:  864810 

Change-Id: Ic3f3e37f90521781a199a27444f9e696c855c2dc
Reviewed-on: https://chromium-review.googlesource.com/1132385
Reviewed-by: Ian Vollick <vollick@chromium.org>
Reviewed-by: Bill Orr <billorr@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Commit-Queue: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576141}
[modify] https://crrev.com/9bc6b47b6a47c88857187c1c03f77d4aec9fee88/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/xr/webvr-gamepad-origin-trial-interfaces.html
[modify] https://crrev.com/9bc6b47b6a47c88857187c1c03f77d4aec9fee88/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/xr/webvr-origin-trial-interfaces.html
[modify] https://crrev.com/9bc6b47b6a47c88857187c1c03f77d4aec9fee88/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/xr/webxr-gamepad-origin-trial-interfaces.html
[modify] https://crrev.com/9bc6b47b6a47c88857187c1c03f77d4aec9fee88/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/xr/webxr-origin-trial-interfaces.html
[modify] https://crrev.com/9bc6b47b6a47c88857187c1c03f77d4aec9fee88/third_party/blink/renderer/platform/runtime_enabled_features.json5