To reproduce Mozilla One's demo:

1. Obtain Mozilla Milestone 12 source code

2. Obtain and install all required third-party libraries
     (see http://www.mozilla.org/build/unix-details.html#s3)
  
3. Unpack Mozilla Milestone 12

4. Unpack the mozone-patch into the new 'mozilla' directory

5. Configure and build mozilla as per the above web page.