Chrome Version: 65.0.3298.4 (Official Build)74914eb3b071a410af522c706a274a2eac3825c9-refs/branch-heads/3298@{#7} 32/64-bit.
OS: Win(7,8,10), Linux(14.04 LTS) and Mac(10.12.6,10.13.1,10.13.2).

URL : https://chrome.google.com/webstore/search/image%20downloader?utm_source=chrome-ntp-icon

What steps will reproduce the problem?
1. Launch chrome, Navigate to above URL and download the chrome extension, 'Image downloader'.
2. Now click on the extension icon in omnibox and observe overlay.

Actual: The rendering of extension overlay is not seen properly.  

Expected: Smooth rendering of extension overlay should be seen.

This is regression issue, broken in ‘M 57’ and below is the bisect info :
Good build: 57.0.2978.0(Revision: 442757)
Bad build: 57.0.2979.0(Revision: 443120)

You are probably looking for a change made after 442988 (known good), but no later than 442989 (first known bad).

CHANGE-LOG 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/b61b264655a67b06dd3937ba02e7b487cc35aacd..368911e4215596d9e75fe64f54c9accd14b27ae5

Suspect: https://chromium.googlesource.com/chromium/src/+/368911e4215596d9e75fe64f54c9accd14b27ae5

@alexclarke - Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thank You!

 

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