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Issue 762917 link

Starred by 1 user
Status: Untriaged
Owner: ----
Cc:
█ sandeepkumars@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Android
Pri: 3
Type: Bug



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DevTools causes screen to stay permanently on (even after closing DevTools)

Project Member Reported by skyos...@chromium.org, Sep 7 2017 
Chrome Version: Chromium r499611
OS: Android

What steps will reproduce the problem?
(1) Open chrome://inspect on a PC.
(2) Connect phone to PC with a USB cable.
(3) Launch Chrome on the phone.
(4) Press home button on phone.
(5) Disconnect USB cable.
(6) Return to Chrome on phone.

What is the expected result?
Screen turns off after configured timeout.

What happens instead?
Screen never turns off. This is because of the wake lock in [1] keeps getting taken every time Chrome becomes visible even if there is no DevTools connection present anymore.

Note: Use this command to observe the system's wake lock status:

$ watch -n 0.5 "adb shell dumpsys power | grep WakeLockSummary"

[1] https://cs.corp.google.com/piper///depot/google3/third_party/chromium_headless/chromium/content/browser/devtools/render_frame_devtools_agent_host.cc?rcl=167377037&l=1046

(Internal bug: http://b/65027180)

Comment 1 by nyerramilli@chromium.org, Sep 8 2017

Labels: Needs-triage-Mobile

Comment 2 by sandeepkumars@chromium.org, Sep 8 2017

Cc: sandeepkumars@chromium.org
Labels: Needs-Feedback
Able to reproduce the issue using latest canary #63.0.3208.0 on Pixel 8.1.0 as per the steps mentioned in comment #0.

Observed the same behavior in latest Stable #61.0.3163.81 as well.

Please find the system's wake lock status screenshot and update.

Thanks!!
Screenshot from 2017-09-08 15:16:22.png
104 KB View Download
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