Min, max, and close, and 🍔 buttons don't work on Windows

[bbondy]

Did you search for similar issues before submitting this one?
yes

Describe the issue you encountered:
Min, max, and close buttons don't work

Expected behavior:
Min, max and close buttons should work.

• Platform (Win7, 8, 10? macOS? Linux distro?):
  Windows 7
• Brave Version:
  0.12.2RC2
• Steps to reproduce:
  1. Open Brave on Windows 7
  2. Click the x button to close the window
  3. Nothing happens.
• Screenshot if needed:
  The screenshot doesn't show it well, but this is me hitting the x button 20 times.
  
• Any related issues:
  Titlebar on Windows has a lot of wasted space #3036

[bsclifton]

Reproduced- only happened when magnification was set to 150%