The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ca8a55f3352428e30601a7de3221b14ac65e0e31

commit ca8a55f3352428e30601a7de3221b14ac65e0e31
Author: Tibor Goldschwendt <tiborg@chromium.org>
Date: Tue Apr 10 00:13:38 2018

[vr] UMA log if user chooses exits VR to see the connection info

Bug:  826749 
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_vr;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I236326bb1ce7222d82e557fbc6afdda02245e560
Reviewed-on: https://chromium-review.googlesource.com/1000108
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Christopher Grant <cjgrant@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549333}
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/android/java/src/org/chromium/chrome/browser/page_info/PageInfoPopup.java
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/browser/android/vr/vr_shell.cc
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/browser/vr/model/modal_prompt_type.cc
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/browser/vr/model/modal_prompt_type.h
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/browser/vr/ui.cc
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/chrome/browser/vr/ui_unsupported_mode.h
[modify] https://crrev.com/ca8a55f3352428e30601a7de3221b14ac65e0e31/tools/metrics/histograms/enums.xml