# File lib/action_controller/request.rb, line 12
    def self.relative_url_root=(relative_url_root)
      ActiveSupport::Deprecation.warn(
        "ActionController::AbstractRequest.relative_url_root= has been renamed." +
        "You can now set it with config.action_controller.relative_url_root=", caller)
      ActionController::Base.relative_url_root=relative_url_root
    end