UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36
Platform: Chrome 

Steps to reproduce the problem:
1.	Boot into chromium OS 
2.	Launch Manage Displays UI and set to extend mode (eDP+HDMI/DP)
3.	Select HDMI/DP monitor and change the resolution (Eg 720x400)
4.	Open system tray window, check Manage display setting and move the cursor to display settings.
5.	Resolution values popup notification appears.

What is the expected behavior?
Resolution values should match with both Manage display and system tray

What went wrong?
Resolution values does not match Manage display and system tray.
1) Tested with Samsung 4k monitor (U28D590)
2) Rest of the other monitors shows properly. 
3) Screen shots attached.
4) The following are configured resolutions on Manage displays setting and respective resolution shown under system tray window. 
(i.e Difference between Manage displays UI with System tray) values mentioned below:
1920x1080 - 3840x2160
3072x1728 - 3840x2160

Did this work before? N/A 

Chrome version: 62.0.3202.94  Channel: n/a
OS Version: 10.0
Flash Version: Chrome OS
 

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