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Issue 746905 link

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Issue metadata

Status: Duplicate
Merged: issue 617824
Owner:
Closed: Jul 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug



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Content size not in sync with window size when resizing from the left edge

Reported by db...@etouch.net, Jul 20 2017

Issue description

Version: 61.0.3162.0 46d636d25e054da0b0d8270d525c84f39146ce30-refs/heads/master@{#488073}
OS: Mac OS X(10.11.6,10.12.3)

URL: https://support.google.com/chrome/answer/95464?visit_id=0-636361412532796642-2631118347&p=incognito&rd=1#incognito

What steps will reproduce the problem?
(1) Launch chrome, navigate to above url 
(2) Resize the browser window and observe on page.

Actual: Wired overlapping is seen while resizing the window.

Expected: No such overlapping should seen.

This is a non-regression issue, seen from 'M-45'(45.0.2405.0)

Note: Issue is not reproducible in Windows and Linux OS

 
Actual_Resize.mov
16.6 MB Download

Comment 1 by db...@etouch.net, Jul 20 2017

Components: Blink
Components: -Blink UI>Browser
The whole browser window is being resized in a weird way, leading to this
behavior.

On Linux, the text at the top of the surrounding info indicating who is logged
into Chrome and their name, also moves. This indicates a non-Blink cause of
this bug.

Comment 3 by tapted@chromium.org, Jul 21 2017

Cc: tapted@chromium.org
Components: Internals>Compositing
Owner: ccameron@chromium.org
Status: Assigned (was: Untriaged)
Summary: Content size not in sync with window size when resizing from the left edge (was: Wired overlapping is seen on page while resizing the browser window.)
[mac triage] -> ccameron? Also happens on google.com

This came up in  Issue 682825  too.

The bisects go back a long way. If this ever worked, it's probably a change in macOS that caused it to regress.

Probably ccameron or myself are the right people to fix this.
Cc: sdy@chromium.org
Mergedinto: 617824
Status: Duplicate (was: Assigned)
This regressed in M46 in exchange for ~2x battery life.

But we still should be able to do this without hurting battery. Duping to an issue where sdy and I and a bunch of people have been discussing it.

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