Chrome Version: 73.0.3632.0 (Official Build) 914f5b8f721ff5a734bb22a96363191c20c8c3f2-refs/branch-heads/3632@{#1} (64 bit)
OS : Mac(10.13.6, 10.13.1, 10.14.2)

Steps to reproduce:
1. Launch chrome,  and uncheck 'Always show Toolbar in Full-screen'
2. Navigate to 'chrome://settings' and Press cmd+g to open find-in page bubble. 
3. Enter into Full-screen mode by clicking on Green icon of Traffic Signal and observe.

Actual Result   : Unwanted movement of find-in page bubble is seen while entering into full-screen mode. 
Expected Result : No such movement should be seen.

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).
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/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 screen-cast.

Thank You!
 

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	Actual_Result.mov 3.1 MB View Download

Deleted: Expected_Result.mov 3.5 MB

	Expected_Result.mov 3.5 MB View Download