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Issue 772298 link

Starred by 2 users
Status: Fixed
Owner:
l...@chromium.org
Closed: Nov 2017
Cc:
nyerramilli@chromium.org
dtapu...@chromium.org
rbasuvula@chromium.org
█ msrchandra@chromium.org
█ ranjitkan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 3
Type: Bug



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Regression : Flickering of section tab is seen in devtools.

Reported by rp...@etouch.net, Oct 6 2017 
Version: 63.0.3234.0 1d130aa149687b0c8df63ae8276f4ef07afca8cd-refs/heads/master@{#506936}
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.12.6)

What steps will reproduce the problem?
1. Launch chrome, navigate to NTP and open devtools.
2. Now click and drag 'Element' tab over other section tabs and observe

Actual: Flickering of 'Element' tab is seen while dragging it over other sections tab
Expected: Flickering of 'Element' tab should not be seen while dragging it over other sections

This is regression issue, broken in ‘M 60’ and will soon update other info :
Good build:60.0.3108.0
Bad build: 60.0.3109.0
Actual_video.mov
4.8 MB Download
Expected_video.mp4
1.1 MB View Download

Comment 1 by rp...@etouch.net, Oct 6 2017

Labels: hasbisect-per-revision
Owner: dtapu...@chromium.org
Status: Assigned (was: Unconfirmed)
Using the per-revision bisect providing the bisect results,
Good build: 60.0.3108.0 (Revision: 473774).
Bad build: 60.0.3109.0 (Revision: 474118).

You are probably looking for a change made after 474005 (known good), but no lat
er than 474006 (first known bad).

CHANGELOG URL:

The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/8634cdd25aefa688d90bc1b14106d2a79ece395a..bdbf9cf9b95b27fe1cfaba0f1032db6ae8a3c4bf

From the CL above, assigning the issue to the concern owner 

@dtapuska- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Suspect : https://chromium.googlesource.com/chromium/src/+/bdbf9cf9b95b27fe1cfaba0f1032db6ae8a3c4bf

Thanks!

Comment 2 by dtapu...@chromium.org, Oct 6 2017

Cc: dtapu...@chromium.org
Labels: -Type-Bug-Regression Type-Bug
Owner: ----
Status: Untriaged (was: Assigned)
I get this as well with rAF aligned mouse disabled you just need to move the mouse faster to cause it to flicker.

Marking not as a regression. Untriaged for the devtools team to investigate their UI.

Comment 3 by alph@chromium.org, Oct 9 2017

Labels: -Pri-1 Pri-3
Owner: l...@chromium.org
Status: Assigned (was: Untriaged)
Definitely not a P1. Eric could you please take a look.
Project Member

Comment 4 by bugdroid1@chromium.org, Nov 9 2017 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cee0221451dd9751bf046e9a28f40b00f3f14155

commit cee0221451dd9751bf046e9a28f40b00f3f14155
Author: Erik Luo <luoe@chromium.org>
Date: Thu Nov 09 00:28:40 2017

DevTools: dragging a TabbedPane tab should not flicker

When dragging one TabbedPane tab past another, we reorder the elements
in DOM, leading to a frame rendered without the ':hover' style and
flickering.

This CL ensures the hover-style is applied while dragging.

Screenshot: https://imgur.com/a/REtNp

Bug:  772298 
Change-Id: Ib8a54cd6c6358d8d569aa94cf8e5c68aa2822037
Reviewed-on: https://chromium-review.googlesource.com/747079
Commit-Queue: Erik Luo <luoe@chromium.org>
Reviewed-by: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#515032}
[modify] https://crrev.com/cee0221451dd9751bf046e9a28f40b00f3f14155/third_party/WebKit/Source/devtools/front_end/ui/inspectorViewTabbedPane.css

Comment 5 by l...@chromium.org, Nov 9 2017

Status: Fixed (was: Assigned)

Comment 6 by rp...@etouch.net, Nov 9 2017

Labels: TE-Verified-M64 TE-Verified-64.0.3263.0
Note : Rechecked the above issue on Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.12.6) with latest canary chrome version : 64.0.3263.0 and the issue is not reproducible.Kindly refer the attached screen cast for reference.
Actual_video.mp4
1.0 MB View Download
►

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