They ought to put the status bar at the bottom. All the designers using Macs probably forgot, but Chrome's tab interface was designed for Windows where it could be all the way at the top of the screen. And in general it's more common for desktop apps designed for mouse and keyboard to have frequently accessed UI elements at the top of the window than the bottom. So desktop apps would benefit from being able to use that real estate at the very top of the screen.

This is what you lose when you take a team developing a desktop OS and move it under a team doing a mobile OS.