mozilla/pdf.js — pull request #2415 by brendandahl (2012-11-28 01:18:09+00:00)
Title: Add close button and title bar for b2g.

If you plan to test locally you'll need to do

- "href": "/content/web/viewer.html"
+ "href": "/content/web/viewer.html",
+ "returnValue": true

to manifest.webapp