Example URL:
http://122.146.84.89/streaming/at.htm

Steps to reproduce the problem:
1. Launch Chrome and go to http://122.146.84.89/streaming/at.htm
2. Select "Progressive download"
3. The video was downloaded, but not played.

What is the expected behavior?
The video should be played, not be downloaded.

What went wrong?
I guess this might be data migration issue.

Did this work before? N/A 

Is it a problem with Flash or HTML5? N/A

Does this work in other browsers? N/A

Chrome version: 53.0.2785.124  Channel: stable
OS Version: N70
Flash Version: