Very useful for screenshots and screenshots, or just to increase the display space of the screen
There is no easy way in the opened Chrome instance. You need to go to the terminal and open a new instance of Chrome inApplication mode, Pass the URL.
OSX
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --app=URL
Windows
Chrome.exe --app=URL
(Previous version of Chrome.exe with the Chrome folder, the folder differs depending on the Windows version-look here)
Linux
google-chrome --app=URL