UserAgent: Mozilla/5.0 (X11; CrOS x86_64 8530.11.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.13 Safari/537.36
Platform: 8530.11.0 (Official Build) dev-channel quawks

Steps to reproduce the problem:
1. I happens randomly ;-(
2. 
3. 

What is the expected behavior?

What went wrong?
Sometimes any pdf file crashes tab when scrolling with touchpad. The same pdf files work file later.

Crashed report ID: 

How much crashed? Just one tab

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Chrome version: 53.0.2785.13  Channel: dev
OS Version: 8530.11.0
Flash Version: Shockwave Flash 22.0 r0