Browser-laptop: Magnifying glass icon shown for pdf documents opened in Brave

[srirambv]

Did you search for similar issues before submitting this one?
Yes

Describe the issue you encountered:
Magnifying glass icon shown for pdf documents opened in Brave

Expected behavior:
Should show the padlock symbol based on the connection type(secure/insecure) or use fa-file-pdf-o icon for pdf documents

• Platform (Win7, 8, 10? macOS? Linux distro?):
  All

• Brave Version:
  0.12.10 RC1

• Steps to reproduce:

  1. Open http://www.orimi.com/pdf-test.pdf
  2. Shows magnifying glass icon
  3. Clicking on that shows the connection state(secure/insecure)

• Screenshot if needed:
  

• Any related issues:
  Please change the milestone if needed

[diracdeltas]

I think PDFs should just show up as whatever the embedded document protocol is. AKA unlocked icon for HTTP PDFs, locked icon for HTTPS. Right now there it always displays as insecure: