UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3388.0 Safari/537.36

Steps to reproduce the problem:
1. press the mouse wheel once to enter auto scroll mode, move up and down and exit auto scroll mode
2. try to move around the web page up and down with the mouse wheel and you can not do it
3. enter the automatic scroll mode move up and down the web page and exit the mode, and you can use the mouse wheel again

What is the expected behavior?
that when leaving the auto scroll mode the mouse wheel works normally

What went wrong?
I do not know what you put here

Did this work before? Yes Google Chrome Stable 65

Chrome version: 67.0.3388.0  Channel: canary
OS Version: 10.0
Flash Version: 

I speak Spanish I used the Google translator, sorry if this is badly translated, and the first time I report a bug so I do not know if I did the steps well, thanks for everything