* Electron Version: v2.0.1
* Operating System (Platform and Version): windows10
* Last known working Electron version: 1.7.9

Allow frameless transparent windows to be sized smaller than 64x64 on Windows #12923

but，now, it can't bigger than 64x64 on Windows
my `height/width` don't work
when i set `frame: true`, it can't resize
remove `transparent: true`, all work right
![2018-05-18 11_14_17](https://user-images.githubusercontent.com/12164900/40214332-aac2815e-5a8c-11e8-8aa1-38ec2a427e0a.gif)

atom/browser/native_window.cc
if (!window->transparent() || !ui::win::IsAeroGlassEnabled())
    return size;
  gfx::Size min_size = display::win::ScreenWin::ScreenToDIPSize(
      window->GetAcceleratedWidget(), gfx::Size(64, 64));
  
  
  gfx::Size expanded(std::max(size.width(), min_size.width()),
                     std::max(size.height(), min_size.height()));
  return expanded;
}
#endif
}  
NativeWindow::NativeWindow(const mate::Dictionary& options,