UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36

Steps to reproduce the problem:
1. click any extension's icon in the browser toolbar
You can use the attached zip.

What is the expected behavior?
The extension popup is shown fully.

What went wrong?
Nothing is shown.
Or just a small portion about 32x32 px.

Did this work before? Yes 61

Chrome version: 62.0.3187.0   Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 26.0 r0

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Bisect info: 494398 (good) - 494404 (bad)
https://chromium.googlesource.com/chromium/src/+log/0833bb00..80423599?pretty=fuller
Suspecting r494403 "compositor: Avoid updating cc if size does not change"
Confirmed by reverting the CL and observing the issue is gone.
Landed in 62.0.3187.0
 

Deleted: popup.zip 4.8 KB

popup.zip 4.8 KB Download

Deleted: expected.png 5.1 KB

	expected.png 5.1 KB View Download