UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10718.88.2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.118 Safari/537.36

Steps to reproduce the problem:
1. Find a pdf with links
2. click the link
3. Now clicking back page doesn't go back to the original position.

What is the expected behavior?
Like in firefox it should bring you to your original position before clicking the PDF link. This doesn't happen because PDF links do not have a history when clicked.

What went wrong?
This is more a feature request but one that I and probably many other people would find very useful.

Did this work before? N/A 

Chrome version: 68.0.3440.118  Channel: stable
OS Version: 10718.88.2
Flash Version: