UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.62 Safari/537.36

Steps to reproduce the problem:
1. Open Chrome
2. Open multiple tabs (i.e. 3 tabs, any websites)
3. Drag one of the tabs down so that it seperates it from the other tabs currently open into its own screen.
4. The new screen has no close/maximize/minimize buttons, and any new tabs created within this new screen do not show at the top.

What is the expected behavior?
Min/Max/Close buttons should be visible on all chrome windows. All tabs should be visible.

What went wrong?
The new screen has no close/maximize/minimize buttons, and any new tabs created within this new screen do not show at the top.

Did this work before? No 

Chrome version: 62.0.3202.62  Channel: stable
OS Version: OS X 10.12.6
Flash Version: 

New macbook, and this has happened from the moment i installed chrome. Have used other macbooks and not encountered this.
 

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