Chrome Version : 72.0.3622.0 (Official Build) Revision 74770d660797220710701b2c66ad38390ab86d43-refs/branch-heads/3622@{#1}(32/64-bit)
OS : Mac(10.13.6, 10.13.1, 10.14.2)

Steps to reproduce:
1. Launch chrome, navigate to NTP and click on 'Customize and control Google Chrome' and open Wrench menu.
2. Click on Full-screen icon  to enter browser in full screen mode.
3. Again click on Full-screen icon to exit full screen mode and immediately observe Traffic lights of browser

Actual Result: Overlapping of Traffic lights of browser is seen with NTP tab strip
Expected Result: Overlapping of Traffic lights of browser should not be seen with NTP tab strip

This is a regression issue broken in M-69 and below is the bisect information:
Good Build : 69.0.3494.0 (Revision : 575514)
Bad Build : 69.0.3495.0 (Revision : 575926)

You are probably looking for a change made after 575689 (known good), but no later than 575690 (first known bad).

CHANGELOG 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/759983cbb3649ffcaccb528b76230b1bcb93f720..dc764bb8ffc51e8aa2d977721a6a2cfd9afa12c8

Suspecting: https://chromium.googlesource.com/chromium/src/+/dc764bb8ffc51e8aa2d977721a6a2cfd9afa12c8

@weili: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.	

Kindly refer the attached screen cast.

Note:
1. This issue is also reproducible on M-70 Stable (build # 70.0.3538.110) , M 71 Beta (build # 71.0.3578.62) and M-72 Dev (build # 72.0.3610.2)
2. This issue is not seen on Windows (7,8,8.1,10) and Linux (14.04 LTS) OS

Thank You!
 
 

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