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Issue 662383 link

Starred by 3 users

Issue metadata

Status: WontFix
Owner:
Closed: Nov 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression: Scroll bars are also zoomed when chrome Webstore page is zoomed in.

Project Member Reported by susanjun...@techmahindra.com, Nov 4 2016

Issue description

Version: 56.0.2909.0
OS: Ubuntu 14.04, Windows

What steps will reproduce the problem?
(1)Launch Chrome and go to Chrome Web Store page (https://chrome.google.com/webstore?utm_source=chrome-ntp-icon)
(2)Zoom the page upto 175% and observe the horizontal and vertical scroll bars.

Expected: Scroll bars shouldn't be zoomed in when the page is zoomed.
Actual: Instead, scroll bars are also getting zoomed.

This is Regression issue broken in M-40. Will provide bisect soon.

Manual Bisect info:
Good build:40.0.2212.0 Dev
Bad build: 40.0.2214.0 Dev

 
actual_scroll_webstore.ogv
1.4 MB View Download
expected_scroll_webstore.ogv
1.9 MB View Download
Labels: OS-Mac
Status: Untriaged (was: Unconfirmed)
Able to reproduce the issue on Mac 10.11.5 using chrome version 56.0.2909.0

Comment 2 by e...@chromium.org, Nov 6 2016

Cc: osh...@chromium.org szager@chromium.org
Owner: skobes@chromium.org
Status: Assigned (was: Untriaged)
Is this a fallout from root-layer scrolling skobes?
Cc: skobes@chromium.org satay...@samsung.com
Labels: -needsBisect hasbisect
Owner: pdr@chromium.org
Manual good and Bad Builds:
Good build:40.0.2212.0 Dev
Bad build: 40.0.2214.0 Dev

Below is the Tool Bisect Info:

CHANGELOG URL : https://chromium.googlesource.com/chromium/src/+log/4c887bbe4754776c895a149ed14ab5a6ed29180f..f0679c4776b24b869ee17e1ac59ce6fca1d58345

BLINK CHANGELOG URL:
https://chromium.googlesource.com/chromium/blink/+log/c09adfa..b23ffaa

Suspecting https://codereview.chromium.org/702913002

Unable to assign to sataya.m@samsung.com. Hence assigning the bug to reviewer pdr@chromium.org
The scrollbar here is custom-scrollbar and it is created based on the CSS mentioned and its part of the page. So when ever page zooms, scrollbar also zooms as scrollbar is part of the page. This is expected behavior.
Status: WontFix (was: Assigned)
Agree with #4, custom scrollbar dimensions are in CSS pixels so they should grow with page zoom.  If the bisect is correct it sounds like we were just failing to trigger the style recalc before.

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