UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36

Steps to reproduce the problem:
When i write the HTML and the CSS for a Responsive Webseite, i never used the Mobile Device Emulator. I place the dev tool on the right side and check the breakpoints with making the dev-tool bigger ore smaller... But now sience last update he dont show me anymore on the right top corner the resolution of the website... Is this normal? can i activate it again? i realy need this function =/

What is the expected behavior?

What went wrong?
Resolution is not showing anymore

Did this work before? Yes Last update

Chrome version: 49.0.2623.87  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 21.0 r0