Chrome Version : 69.0.3479.0 (Official Build) 4bd5a86d51d03f2c430547762c7a25a1a7946720-refs/branch-heads/3479@{#1} 32/64 bit
OS : Windows (7, 8, 8.1, 10)

What steps will reproduce the problem?
1. Launch chrome, open NTP and hit 'F11' key to enter into full-screen mode.
2. Observe the full-screen toast message. 

Actual Result : Full-screen toast message is seen slightly blur.

Expected Result : Full-screen toast message should be seen clearly.

This is a regression issue broken in ‘M-69’ and below is the bisect info :
Good Build : 69.0.3476.0 (Revision : 571361)
Bad Build : 69.0.3477.0 (Revision : 571738)

(Unable to narrow down the range using per-revision bisect, hence providing bisect using old script)

You are probably looking for a change made after 571652 (known good), but no later than 571673 (first known bad).

Narrow bisect URL :
https://chromium.googlesource.com/chromium/src/+log/2505d49b21706735cf6c2a8b79cbeba171921f33..2b81eb8cd6530264e83f1b0e0debacbb369b0d0c?pretty=fuller&n=10000

Suspecting : r571654 ?

Esmael@ : 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.

Note :  
1. Issue is not observed in Mac (10.12.6, 10.13.1, 10.14, 10.13.6) & Linux (14.04 LTS) OS

Thank You..!
 

Deleted: Fullscreen_toast_message.png 9.3 KB

	Fullscreen_toast_message.png 9.3 KB View Download

Deleted: Actual_Result.mp4 323 KB

	Actual_Result.mp4 323 KB View Download