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Issue 841073 link

Starred by 4 users

Issue metadata

Status: Duplicate
Merged: issue 825775
Owner:
Closed: May 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Regression



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iframe with drop-shadow flickers

Reported by aww...@gmail.com, May 9 2018

Issue description

UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Steps to reproduce the problem:
1. See jsbin for example code to reproduce:
http://output.jsbin.com/meqonug

What is the expected behavior?
iframe should not flicker

What went wrong?
For some reason, the page is rendering the iframe in the wrong place, and it "flickers" back and forth over the size of the drop-shadow.

Did this work before? Yes One or two weeks prior to 66.0.3359.139

Chrome version: 66.0.3359.139  Channel: stable
OS Version: OS X 10.13.4
Flash Version: 

Video showing the issue in action: http://nimb.ws/sby4gI
 
Labels: Needs-Bisect Needs-Triage-M66
Components: Blink>HTML>IFrame
Labels: -Pri-2 -Needs-Bisect hasbisect-per-revision ReleaseBlock-Stable Target-67 Triaged-ET Target-66 M-66 M-67 FoundIn-66 FoundIn-67 RegressedIn-66 Pri-1
Owner: skobes@chromium.org
Status: Assigned (was: Unconfirmed)
Able to reproduce the issue on Mac 10.13.3 using chrome reported version #66.0.3359.139 but the same is not reproducible in the latest canary #68.0.3424.0. Issue is not seen in OS-win and OS-linux.

Reverse Bisect Information:
=====================
Good build: 68.0.3406.0
Bad Build : 68.0.3405.0

Change Log URL: 
https://chromium.googlesource.com/chromium/src/+log/a1995611a76c01a968e3cbc1c8e5673fa4f8804d..9befa4c9c3cba4b2435af908eb3ba7e98968690d

From the above change log suspecting below change
Change-Id: I00cf19be083081315e7918efc1ebd2af00cae906
Reviewed-on: https://chromium-review.googlesource.com/1020146

skobes@ - Could you please check and merge the fix to M-67 if it is a valid candidate.
Adding RBS label for M-67 as it seems to be a recent regression. Please feel free to remove the same if not appropriate.

Thanks...!!
Mergedinto: 825775
Status: Duplicate (was: Assigned)
Will request merge on original issue.
Labels: -M-67 -Target-67
Re #3, M67 merge is rejected (Pls see - https://bugs.chromium.org/p/chromium/issues/detail?id=825775#c19). So this is not a blocker for M67. Thank you.

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