Since fonts.googleapis.com are forcing HTTPS via HSTS there's no need to keep code to produce HTTP urls dynamically.

https:// can be always used instead:

the related code exists in 3 classes

• AtlanticEEThemeProvider.java
• AtlanticPEThemeProvider.java
• AtlanticCEThemeProvider.java

Also consider whether this class is needed 3 times, for each edition.