UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36

Steps to reproduce the problem:
1. Open Developer Tools, and change to mobile like iPhone
2. Then scroll the page using mouse (I use magic mouse) middle button;
3. Then click specific clickable element but nothing happened

CANNOT REPRODUCE EVERY TIME

What is the expected behavior?
Emulator can support click gesture;

What went wrong?
It doesn't support click gesture;

Did this work before? No 

Chrome version: 49.0.2623.87  Channel: stable
OS Version: OS X 10.11.3
Flash Version: Shockwave Flash 21.0 r0

The previous stable version like 48 can disable touch screen, but the latest stable cannot, so this problem becomes inevitable.