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Issue 688909 link

Starred by 1 user
Status: Fixed
Owner:
alph@chromium.org
Closed: Feb 2017
Cc:
nyerramilli@chromium.org
█ msrchandra@chromium.org
█ ranjitkan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression : Weird behavior of vertical scroll bar is seen in 'Performance' section of devtools.

Reported by mni...@etouch.net, Feb 6 2017 
Version: 58.0.3003.0 54e021d3b036d70e5a50d4a74db1238d95f49040-refs/heads/master@{#448160}
OS: Windows(7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.11.6, 10.12.1)

What steps will reproduce the problem?
1. Launch chrome, navigate to NTP and open devtools
2. Now go to 'Performance' section and press 'Ctrl + R' to record some activity.
3. Now click on 'Event log' tab and try to scroll vertical scroll bar using mouse wheel or drag the scroll bar using mouse cursor,observe

Actual: Weird behavior of vertical scroll bar is seen when scrolled via mouse wheel or dragged with mouse cursor
Expected: Weird behavior of vertical scroll bar should not be seen when scrolled via mouse wheel or dragged with mouse cursor

This is regression issue, broken in ‘M 58’ and will soon update other info :
Good build:58.0.2993.0
Bad build: 58.0.2994.0
Actual_video.mp4
1.1 MB View Download
Expected_video.mp4
1.4 MB View Download

Comment 1 by msrchandra@chromium.org, Feb 6 2017

Status: Unconfirmedas (was: Unconfirmed)
Using the per-revision bisect providing the bisect results,
Good build: 58.0.2993.0 (Revision: 446204).
Bad build: 58.0.2994.0 (Revision: 446546).

You are probably looking for a change made after 446209 (known good), but no later than 446210 (first known bad).
CHANGELOG URL:
  https://chromium.googlesource.com/chromium/src/+log/f8075d747ec7e756142e7cd57494226b3572af77..847f858e5ff280de97c9ff2bdf772ff205e5e918

@alph -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Adding RB Label as this is a recent Regression. Please remove if not required.
Thank You.

Comment 2 by msrchandra@chromium.org, Feb 6 2017

Labels: hasbisect-per-revision ReleaseBlock-Stable
Owner: alph@chromium.org
Status: Assigned (was: Unconfirmedas)

Comment 3 by alph@chromium.org, Feb 15 2017

Status: Fixed (was: Assigned)
Seems to be fixed already. Probably with https://chromium.googlesource.com/chromium/src/+/fd9a484701f7f0783328cab5000bcedf243e3693
►

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