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Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Regression



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Regression: Unwanted blue line is seen out of dev-tools window on dragging the 'Script snippet'

Reported by jshan...@etouch.net, Nov 14 2016

Issue description

Chrome Version : 56.0.2918.0 (Official Build)6015da67bcb535f343caf0f5cff5867d7f4487d8-refs/heads/master@{#431795}-32/64 bit
OS: Windows (7,8,8.1,10)

Steps:
1. Launch Chrome,open dev-tools on NTP and go to Source section.
2. Click on 'Snippets', and Add 2-3 Script snippet by clicking on '+ New Snippet'
3. Now drag the added snippet upward/downward and observe.

Actual: Unwanted blue line is seen out of dev-tools window.

Expected: Blue line should not be seen out of dev-tools window.

This is a regression issue, broken in M-5, below is bisect info.

Good build: 53.0.2746.0
Bad build: 53.0.2748.0

Narrow bisect:
https://chromium.googlesource.com/chromium/src/+log/7bdf0a05e83ffc054cc2a966ff108b05d82f8cfd..41db13c68491ee1ab9149ba1bef307b71a19bb39?pretty=fuller&n=100

Suspecting: r395727 ?

Please help to re-assign if your change is not the cause for this issue.

Note: Above issue is not seen on Mac and Linux OS.
 
Actual_video.mp4
835 KB View Download
Expected_video.mp4
358 KB View Download

Comment 1 by jshan...@etouch.net, Nov 14 2016

Correction:
This is a regression issue broken in M-53
Cc: scottmg@chromium.org
Owner: trchen@chromium.org
My change was related to power saving, not UI or rendering in any way.

Possibly trchen's changes in that range?

https://chromium.googlesource.com/chromium/src/+/92b22ddbad3d462aaa6590ae3599245a2f99b3cd
	or https://chromium.googlesource.com/chromium/src/+/40333ebebd01babf43339e66ee470679a9922244
Labels: -Pri-1 Pri-2
(Don't think this is P1 from the videos either.)

Comment 4 by trchen@chromium.org, Nov 14 2016

Cc: pdr@chromium.org
Yea... We simplified the drag image painting code a while ago and sometimes it can introduce unwanted side effects. I personally consider it WontFix but +pdr for a second opinion.
Cc: rbasuvula@chromium.org
Still able to reproduce the issue on Win 10.0 using latest chrome version 57.0.2931.0.

Note: As of now latest build #57.0.2935.0 (64 - bit) is not available in Windows

trchen@ Could you please look into this issue.

Thanks!
Still able to reproduce the issue on Win 10.0 using latest chrome version 57.0.2977.0.

trchen@ Could you please look into this issue.

Thanks!
Status: WontFix (was: Assigned)
Does not repro for me on 60.0.3112.113.

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