UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.82 Safari/537.36

Steps to reproduce the problem:
1. Hit backspace

What is the expected behavior?
Page goes back.

What went wrong?
It Didn't.

Did this work before? Yes The last version

Chrome version: 52.0.2743.82  Channel: stable
OS Version: 
Flash Version: Shockwave Flash 22.0 r0