mozilla/pdf.js — pull request #5314 by yurydelendik (2014-09-19 17:22:01+00:00)
Title: Fixes names collisions in content.js

Fixes #5313

That is one bizarre issue. http://mxr.mozilla.org/mozilla-central/source/browser/components/sessionstore/content/content-sessionStore.js#11 breaks with "Cu is read-only" because we define Cu as `const Cu = Components.utils;`