The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c556f5a3a662c0b79ae7961f8bdbfaf2cc4236fb

commit c556f5a3a662c0b79ae7961f8bdbfaf2cc4236fb
Author: edcourtney <edcourtney@chromium.org>
Date: Wed Apr 12 07:40:30 2017

Stop notification updates from unpausing toast timers.

Notification toast timers are paused when the notification gains
focus. If a notification is updated while it is paused, then previously,
its timer would be unpaused. So, it would disappear while being focused.

BUG= 710298 

Review-Url: https://codereview.chromium.org/2810723004
Cr-Commit-Position: refs/heads/master@{#463943}

[modify] https://crrev.com/c556f5a3a662c0b79ae7961f8bdbfaf2cc4236fb/ui/message_center/popup_timer.h
[modify] https://crrev.com/c556f5a3a662c0b79ae7961f8bdbfaf2cc4236fb/ui/message_center/popup_timers_controller.cc

This bug requires manual review: We are only 12 days from stable.
Please contact the 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

Please add applicable OSs.  Thanks!

Thanks~ I'll remember next time!

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0f41f7a2f609c86c39fce1c92b1e4f0438e447ff

commit 0f41f7a2f609c86c39fce1c92b1e4f0438e447ff
Author: yhanada <yhanada@chromium.org>
Date: Fri Apr 14 04:37:21 2017

Stop notification updates from unpausing toast timers.

Notification toast timers are paused when the notification gains
focus. If a notification is updated while it is paused, then previously,
its timer would be unpaused. So, it would disappear while being focused.

BUG= 710298 

Review-Url: https://codereview.chromium.org/2810723004
Cr-Commit-Position: refs/heads/master@{#463943}
(cherry picked from commit c556f5a3a662c0b79ae7961f8bdbfaf2cc4236fb)

Review-Url: https://codereview.chromium.org/2815093006 .
Cr-Commit-Position: refs/branch-heads/3029@{#708}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}

[modify] https://crrev.com/0f41f7a2f609c86c39fce1c92b1e4f0438e447ff/ui/message_center/popup_timer.h
[modify] https://crrev.com/0f41f7a2f609c86c39fce1c92b1e4f0438e447ff/ui/message_center/popup_timers_controller.cc

I merged the change to M-58 on behalf of Eliot.

9334.69.0, 58.0.3029.112