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Issue 740851 link

Starred by 1 user
Status: WontFix
Owner:
dgozman@chromium.org
Closed: Jul 2017
Cc:
nyerramilli@chromium.org
rbasuvula@chromium.org
█ msrchandra@chromium.org
jmukthavaram@chromium.org
█ ranjitkan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression: [DevTools] Werird behavior of vertical scroll bar is seen on colorpicker window.

Reported by dchau...@etouch.net, Jul 11 2017 
Chrome Version: 61.0.3153.0 (Official Build)4b9102f9588fb6cf639a6165fd4777658d5ade0d-refs/heads/master@{#485143} 32/64-bit.
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.11.6,10.12.3)

What steps will reproduce the problem?
1. Launch chrome, open DevTools window and dock it to bottom.
2. Resize the DevTools downwards and open Colorpicker window.
3. Click on bidirectional arrow and select 'Custom' from Color palettes.
4. Click 'Add to palette'(+) icon multiple times(7-8 times) such that + icon goes to next line and observe.

Unnecessary vertical scroll bar of colorpicker window auto scrolled in upwards direction.
Vertical scroll bar should not auto scroll in upwards direction.

This is a regression issue, broken in M-59 series, below is manual regression range.

Good build: 59.0.3064.0
Bad build: 59.0.3065.0

Kindly review the attached screen-cast for reference.
Actual behavior.mp4
1.3 MB View Download
Expected behavior.mp4
1.1 MB View Download

Comment 1 by jmukthavaram@chromium.org, Jul 11 2017

Cc: jmukthavaram@chromium.org
Labels: hasbisect-per-revision
Owner: dgozman@chromium.org
Status: Assigned (was: Unconfirmed)
Able to reproduce the issue on Windows 7,Mac 10.12.5 & Ubuntu 14.04 using chrome latest Canary-61.0.3153.0 
Manual bisect info:
-------------------
Good build: 59.0.3064.0-Revision-462305
Bad build: 59.0.3065.0-Revision-462712

Per revision bisect info:
-------------------------
You are probably looking for a change made after 462333 (known good), but no later than 462334 (first known bad).
CHANGELOG URL:
The script might not always return single CL as suspectas some perf builds might get missing due to failure.
https://chromium.googlesource.com/chromium/src/+log/b254a456ab6527124ce5aff9acc231eed34605c4..647d3778e7f445c6d4ba9ca9a822278cd63bf839

Possible suspect:
----------------
https://chromium.googlesource.com/chromium/src/+/647d3778e7f445c6d4ba9ca9a822278cd63bf839

Dgozman@Could you please take a look into this issue.

Thanks..!!

Comment 2 by dgozman@chromium.org, Jul 13 2017

Status: WontFix (was: Assigned)
This is very minor, not worth fixing.
►

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