Chrome Version:  63.0.3239.7/10032.4.0 dev-channel Daisy,Candy and Reks
OS: Chrome

What steps will reproduce the problem?
(1)Sign into User ->Insert Mobile Dongle and ensure it is connected
(2)Now go to chrome://settings page -> At 'Network' click on Mobile data connection
(3)Now in Dongle connection page -> click dropdown at 'Mobile data network' -> observe observe 'No networks' is seen out of the Drop down (Please refer Video and Screenshot)

Expected: 'No networks' should be seen within the Drop down
Actual: Instead 'No networks' is seen out of the Drop down

This is Regression issue as same is working fine in M-62

@stevenjb : Please confirm the issue

Note : Issue is seen on latest M-64 also
 

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	Actual_Dropdown.jpg 112 KB View Download