Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1093433
Description of problem:
Internalization does not work when setting the preferences to use the Browser locale.

Version-Release number of selected component (if applicable):

How reproducible:
100%

Steps to Reproduce:
1. On your browser, set the languange prefereces as follow:
pt_BR, en_US

2. Make sure the user profile has the option "Browser Locale" at the language preferences

3. Clean the cache files on your browser and access:
Content-> Products
Content-> Sync

Actual results:

Pages are displayed in French or Spanish.

Expected results:

Locale works as configured.