Version: 72.0.3601.0 (Official Build)Revision cfede9db1d154de0468cb0538479f34c0755a0f4-refs/branch-heads/3601@{#1}(64-bit)
OS: Mac OS X(10.13.1,10.14.1,10.13.6)

What steps will reproduce the problem?
1. Launch chrome,navigate to chrome://downloads
2. Click on 'More actions' iron icon and then click anywhere on page to dismiss drop down list
3. Click on 'Avatar' icon and select 'Open Guest window'
4. Now click on Guest avatar icon and select 'Person 1' and observe grey focus highlight
 
Actual: Unnecessary focus are seen at two places i.e on 'Avatar' icon and iron icon of chrome://downloads page 
Expected: Only one focus should be seen at a time.

This is regression issue, broken in ‘M 69’ and below is the bisect info :
Good build: 69.0.3480.0 (Revision: 572082)
Bad build:  69.0.3481.0 (Revision: 572437)
 
You are probably looking for a change made after 572208 (known good), but no later than 572209 (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/96eb702eb19acebd1f792436749e3021e0b8f54c..1be226e1a5668c6c05627afb95383fb259d51ee2

Suspect : https://chromium.googlesource.com/chromium/src/+/1be226e1a5668c6c05627afb95383fb259d51ee2

From the CL above, assigning the issue to the concern owner 

@robliao - 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. This issue is also reproducible on M-70 stable (build # 70.0.3538.77), M-71 Beta (build # 71.0.3578.30) and M-72 Dev (build # 72.0.3595.2)
2. Issue is not seen on Windows (7,8,8.1,10) and Linux (14.04 LTS) OS

 

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