UserAgent: Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0
Platform: 9202.61.0 (Official Build) dev-channel reef test

Example URL:

Steps to reproduce the problem:
1. Launch Camera app and take a picture
2. Go to gallery and save a disk
3. Select "images" or "Videos" or "Audio" and click "open"
4. Open "Files" to check file.

What is the expected behavior?
Can't find file in "images", "Videos", "Audio" folder

What went wrong?
If "images", "Videos", "Audio" folder only have filter function, they can't be existed during saving picture.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: R57-9202.61.0  Channel: stable
OS Version: R57-9202.61.0
Flash Version: Shockwave Flash 25.0 r0