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Issue 836240 link

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Issue metadata

Status: Available
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 3
Type: Bug



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Layout of table with transparent borders broken in HiDPI mode and print

Reported by kwk...@trim-marks.com, Apr 24 2018

Issue description

UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Steps to reproduce the problem:
1. Launch Chrome in HiDPI mode (I used --force-device-scale-factor=2)
2. Open the attached test case
3. Open print dialog
4. Turn on "Background graphics" check box

What is the expected behavior?
Two tables with gray background have the same height.

What went wrong?
The right table with transparent borders is taller than expected.

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 66.0.3359.117  Channel: beta
OS Version: CentOS Linux release 7.3.1611
Flash Version: 

This problem occurs on Linux and Windows but not on Mac.
I suspect it is related with use-zoom-for-dsf flag: crbug.com/485650
 
table-bug.html
895 bytes View Download
table-bug.png
134 KB View Download
Labels: Needs-Triage-M66
Labels: Needs-Bisect
Labels: -Needs-Bisect Triaged-ET M-68 FoundIn-68 Target-68 OS-Windows
Status: Untriaged (was: Unconfirmed)
Able to reproduce the issue on Win-10 and Ubuntu 17.10 high dpi machine using chrome reported version #66.0.3359.117 and latest canary #68.0.3406.0.
This is a non-regression issue as it is observed from M60 old builds. 
Note: In M-60 builds, right table with transparent borders is taller by few pixels.

Hence, marking it as untriaged to get more inputs from dev team.

Thanks...!!
836240.PNG
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Comment 4 by e...@chromium.org, Apr 30 2018

Components: -Blink>Layout Blink>Layout>Table
Status: Available (was: Untriaged)
Labels: -Pri-2 Pri-3

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