parent_prefixes

# File actionpack/lib/abstract_controller/view_paths.rb, line 17
      def parent_prefixes
        @parent_prefixes ||= begin
          parent_controller = superclass
          prefixes = []

          until parent_controller.abstract?
            prefixes << parent_controller.controller_path
            parent_controller = parent_controller.superclass
          end

          prefixes
        end
      end