The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8b374988abdf6fe6d5976c08fb52144248cacb98

commit 8b374988abdf6fe6d5976c08fb52144248cacb98
Author: bshe <bshe@chromium.org>
Date: Fri Mar 31 14:36:36 2017

Fix showing 2D chrome shortly after DON finished

BUG= 706629 

Review-Url: https://codereview.chromium.org/2779223004
Cr-Commit-Position: refs/heads/master@{#461116}

[modify] https://crrev.com/8b374988abdf6fe6d5976c08fb52144248cacb98/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java

M58 had the same issue. Try to merge back to M58 since this could improve the transition from 2D to VR. 

Your change meets the bar and is auto-approved for M58. Please go ahead and merge the CL to branch 3029 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

[Bulk edit]

This issue has been approved for a merge to M58.  Please ensure the merge is processed by tomorrow at 5 PM PT so it's included in our next beta build.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/911f9470515ed170b3bb9675fdc124a3567ac704

commit 911f9470515ed170b3bb9675fdc124a3567ac704
Author: bshe <bshe@chromium.org>
Date: Tue Apr 04 13:46:09 2017

Fix showing 2D chrome shortly after DON finished

BUG= 706629 

Review-Url: https://codereview.chromium.org/2779223004
Cr-Commit-Position: refs/heads/master@{#461116}
(cherry picked from commit 8b374988abdf6fe6d5976c08fb52144248cacb98)

Review-Url: https://codereview.chromium.org/2797703002 .
Cr-Commit-Position: refs/branch-heads/3029@{#563}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}

[modify] https://crrev.com/911f9470515ed170b3bb9675fdc124a3567ac704/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java