Wikia/app — pull request #5671 by nmonterroso (2014-12-08 18:31:18+00:00)
Title: use $image->getUrlGenerator()

@Wikia/platform-team
https://wikia-inc.atlassian.net/browse/PLATFORM-634

Both `File` and `GlobalFile` have a `getUrlGenerator` function, so let's use that to patch this fatal.