Chrome Version:71.0.3578.53 (Official Build) Revision	599fb72e740eab9d10609f1ed28a2ad669f82c1a-refs/branch-heads/3578@{#669}(64-bit)
OS: Windows(7,8,8.1,10) ,Mac(10.13.1 , 10.13.6 , 10.14.2)  and Linux(14.04 LTS)

Steps to reproduce:
1. Launch chrome and navigate to incognito.
2. Navigate to chrome://cast and observe.

Actual Result   : Cast favicon is seen white  in colour in tab strip.
Expected Result : Cast favicon should be seen properly in tab-strip.

This is a regression issue broken in M-70 and below is the bisect information:
Good Build : 70.0.3503.0 (Revision : 578160)
Bad Build : 70.0.3504.0 (Revision : 578510)

You are probably looking for a change made after 578333 (known good), but no later than 578334 (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/bcb7db78edc13f57577f0a9562c98918bdcc10ae..67d21d10815fe6d87d1785a65a50fbc386e6605b

Suspecting: https://chromium.googlesource.com/chromium/src/+/67d21d10815fe6d87d1785a65a50fbc386e6605b

@ellyjones: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 screencast.

Thank You!
 

Deleted: actualresult.mov 5.8 MB

	actualresult.mov 5.8 MB View Download

Deleted: expectedresult.mov 5.9 MB

	expectedresult.mov 5.9 MB View Download