Steps to reproduce the problem:
Have Adobe Acrobat installed.
Create a hyper link with an intent to an url on the same site as your serving from.

<a href="intent://yoursite.com/mypdf.pdf#Intent;action=VIEW;category=BROWSABLE;scheme=http;package=com.adobe.reader;end;">open pdf</a>

In the console you can see  th navigation blocked message. This used to work.

What is the expected behavior?
Open acrobat and show pdf.

What went wrong?
Request got blocked

Did this work before? Yes Previous version

Chrome version: 53.0.2785.143  Channel: stable
OS Version: 
Flash Version: