Remove requestAction from RequestHandlerComponent.

The method is available on the controller objects. Use that instead.

lib/Cake/Controller/Component/RequestHandlerComponent.php

@@ -26,7 +26,6 @@
 use Cake\Core\App;
 use Cake\Core\Configure;
 use Cake\Error;
-use Cake\Routing\RequestActionTrait;
 use Cake\Routing\Router;
 use Cake\Utility\Inflector;
 use Cake\Utility\Xml;
@@ -44,8 +43,6 @@
  */
 class RequestHandlerComponent extends Component {
 
-	use RequestActionTrait;
-
 /**
  * The layout that will be switched to for Ajax requests
  *
@@ -265,7 +262,7 @@ public function beforeRedirect(Controller $controller, $url, $status = null, $ex
 			$code = key($statusCode);
 			$this->response->statusCode($code);
 		}
-		$this->response->body($this->requestAction($url, array('return', 'bare' => false)));
+		$this->response->body($controller->requestAction($url, array('return', 'bare' => false)));
 		$this->response->send();
 		$this->_stop();
 	}