UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Steps to reproduce the problem:
Open the 'Network' tab of the Dev Tools and click on any request that has payload.

What is the expected behavior?

What went wrong?
Now, the HTTP request payload can be found on the tab called 'Headers', which doesn't make any sense. Just like it's done for the response (which got even two separate tabs - 'Response' and 'Preview'), the request needs its own tab(s).

Did this work before? No 

Chrome version: 53.0.2785.116  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 23.0 r0