``` ruby
## Inside ActiveComponent::Railtie

case Rails.version
when "4.0.0"
  initializer "Includes the concern in the action controller class" do
    ActiveSupport.on_load(:action_controller) do
      ActionController::Base.send(:include, ActiveComponent::Context)
    end
  end
else
  ActionController::Base.send(:include, ActiveComponent::Context)
end
```