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Issue 775869 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Chrome , Mac
Pri: 1
Type: Bug-Regression



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Regression: The separator line should be visible between the current page entry and the new page entry on chrome://settings

Reported by vineetha...@etouch.net, Oct 18 2017

Issue description

Chrome version: 63.0.3239.9 4e280fc118ef968a7faaf87ddfd1f4c3cd6fa3bb-refs/branch-heads/3239@{#38}(32/64 bit)
OS: Windows (7,8,10),Linux (14.04 LTS), Mac(10.12.6).

Precondition:
At least one current page and more than 10 new pages should be added in chrome://Settings > Manage on startup pages > Open a specific page or set of pages

Steps to reproduce:
1. Launch Chrome. 
2. Navigate to chrome://Settings > Manage on startup pages > Open a specific page or set of pages
3. Remove the last entry from the page list , scroll to the top and observe.

Actual Result: The separator line is not visible between the current page entry and the new page entry after deleting the last entry from the list.
Expected Result: The separator line should be visible between the current page entry and the new page entry.

This is Regression Issue broken in M-63 and and Using the per-revision bisect providing the bisect results,
Good Build: 63.0.3211.0(Revision: 500754)
Bad Build: 63.0.3212.0(Revision: 500792)

You are probably looking for a change made after 500771 (known good), but no later than 500772 (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/8316ce5af3eaa219e5b9705db4ccef535d8ad1e0..c9a3169d206e066bf33f3b4e399cce5ac0782c61

Suspect : https://chromium.googlesource.com/chromium/src/+/c9a3169d206e066bf33f3b4e399cce5ac0782c61

@dschuyler : Could you please look into the issue, pardon me if it has nothing to do with your changes and if possible please assign it to concern owner.
 
ActualResult.mp4
1.2 MB View Download
ExpectedResult.mp4
1.0 MB View Download
Status: Started (was: Assigned)
CL at https://chromium-review.googlesource.com/c/chromium/src/+/729714
Project Member

Comment 2 by bugdroid1@chromium.org, Oct 20 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7492bd8fb7d69396841bf4a53a4ae6743843bcdb

commit 7492bd8fb7d69396841bf4a53a4ae6743843bcdb
Author: Dave Schuyler <dschuyler@chromium.org>
Date: Fri Oct 20 19:32:07 2017

[CR webui] fix iron-list element separators.

This CL changes from using :first-of-type to first$="[[!index]]" to
determine whether an iron-list element is the first element, which is
more robust.

Bug:  775869 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: If623593c167dff0f5ea336bfc04573738a967968
Reviewed-on: https://chromium-review.googlesource.com/729714
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Dave Schuyler <dschuyler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510519}
[modify] https://crrev.com/7492bd8fb7d69396841bf4a53a4ae6743843bcdb/chrome/browser/resources/settings/bluetooth_page/bluetooth_subpage.html
[modify] https://crrev.com/7492bd8fb7d69396841bf4a53a4ae6743843bcdb/chrome/browser/resources/settings/on_startup_page/startup_urls_page.html
[modify] https://crrev.com/7492bd8fb7d69396841bf4a53a4ae6743843bcdb/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.html
[modify] https://crrev.com/7492bd8fb7d69396841bf4a53a4ae6743843bcdb/ui/webui/resources/cr_elements/shared_style_css.html

Labels: TE-Verified-M64 TE-Verified-64.0.3247.0
Rechecked the above issue on Windows 8 OS with Chrome Canary version :64.0.3247.0 and the issue is not reproducible.
Kindly refer the attached screen cast for reference.
FixedVideo.mp4
1.0 MB View Download
Labels: OS-Chrome
Status: Fixed (was: Started)
I believe this issue has existed for some time, so merging into m-63 doesn't appear urgent. tbuckley@ agreed, please ask tbuckley@ if this desired for an m-63 merge.
Status: Verified (was: Fixed)
Verified on M64 dev build (10109.0.0, 64.0.3261.0).

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