Merge pull request #575 from excid3/fix-caching-with-api-controllers

Fix regression in API controllers with view_cache_dependencies helper

Author: rafaelfranca

lib/jbuilder/railtie.rb

@@ -22,6 +22,8 @@ module ApiRendering
           if name == 'ActionController::API'
             include ActionController::Helpers
             include ActionController::ImplicitRender
+            helper_method :combined_fragment_cache_key
+            helper_method :view_cache_dependencies
           end
         end
       end