diff --git a/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.module b/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.module
index 4427a3a..b3d9bbc 100644
--- a/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.module
+++ b/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.module
@@ -1,75 +1 @@
 <?php
-
-use Drupal\Component\Utility\Crypt;
-use Symfony\Component\HttpFoundation\RedirectResponse;
-
-/**
- * Implements hook_menu().
- */
-function aggregator_test_menu() {
-  $items['aggregator/test-feed'] = array(
-    'title' => 'Test feed static last modified date',
-    'description' => "A cached test feed with a static last modified date.",
-    'page callback' => 'aggregator_test_feed',
-    'access arguments' => array('access content'),
-    'type' => MENU_CALLBACK,
-  );
-  $items['aggregator/redirect'] = array(
-    'title' => 'Test feed with a redirect',
-    'description' => "A feed that redirects to another one",
-    'page callback' => 'aggregator_test_redirect',
-    'access arguments' => array('access content'),
-    'type' => MENU_CALLBACK,
-  );
-  return $items;
-}
-
-/**
- * Page callback. Generates a test feed and simulates last-modified and etags.
- *
- * @param $use_last_modified
- *   Set TRUE to send a last modified header.
- * @param $use_etag
- *   Set TRUE to send an etag.
- */
-function aggregator_test_feed($use_last_modified = FALSE, $use_etag = FALSE) {
-  $last_modified = strtotime('Sun, 19 Nov 1978 05:00:00 GMT');
-  $etag = Crypt::hashBase64($last_modified);
-
-  $if_modified_since = strtotime(Drupal::request()->server->get('HTTP_IF_MODIFIED_SINCE'));
-  $if_none_match = stripslashes(Drupal::request()->server->get('HTTP_IF_NONE_MATCH'));
-
-  // Send appropriate response. We respond with a 304 not modified on either
-  // etag or on last modified.
-  if ($use_last_modified) {
-    drupal_add_http_header('Last-Modified', gmdate(DATE_RFC1123, $last_modified));
-  }
-  if ($use_etag) {
-    drupal_add_http_header('ETag', $etag);
-  }
-  // Return 304 not modified if either last modified or etag match.
-  if ($last_modified == $if_modified_since || $etag == $if_none_match) {
-    drupal_add_http_header('Status', '304 Not Modified');
-    return;
-  }
-
-  // The following headers force validation of cache:
-  drupal_add_http_header('Expires', 'Sun, 19 Nov 1978 05:00:00 GMT');
-  drupal_add_http_header('Cache-Control', 'must-revalidate');
-  drupal_add_http_header('Content-Type', 'application/rss+xml; charset=utf-8');
-
-  // Read actual feed from file.
-  $file_name = __DIR__ . '/aggregator_test_rss091.xml';
-  $handle = fopen($file_name, 'r');
-  $feed = fread($handle, filesize($file_name));
-  fclose($handle);
-
-  print $feed;
-}
-
-/**
- * Page callback that redirects to another feed.
- */
-function aggregator_test_redirect() {
-  return new RedirectResponse(url('aggregator/test-feed', array('absolute' => TRUE)), 301);
-}
diff --git a/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.routing.yml b/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.routing.yml
new file mode 100644
index 0000000..dff02c6
--- /dev/null
+++ b/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test.routing.yml
@@ -0,0 +1,17 @@
+aggregator_test_feed:
+  pattern: '/aggregator/test-feed/{use_last_modified}/{use_etag}'
+  defaults:
+    _controller: '\Drupal\aggregator_test\Controller\AggregatorTestRssController::testFeed'
+    _title: 'Test feed static last modified date'
+    use_last_modified: FALSE
+    use_etag: FALSE
+  requirements:
+    _permission: 'access content'
+
+aggregator_redirect:
+  pattern: '/aggregator/redirect'
+  defaults:
+    _controller: '\Drupal\aggregator_test\Controller\AggregatorTestRssController::testRedirect'
+    _title: 'Test feed with a redirect'
+  requirements:
+    _permission: 'access content'
diff --git a/core/modules/aggregator/tests/modules/aggregator_test/lib/Drupal/aggregator_test/Controller/AggregatorTestRssController.php b/core/modules/aggregator/tests/modules/aggregator_test/lib/Drupal/aggregator_test/Controller/AggregatorTestRssController.php
new file mode 100644
index 0000000..6c2b1cd
--- /dev/null
+++ b/core/modules/aggregator/tests/modules/aggregator_test/lib/Drupal/aggregator_test/Controller/AggregatorTestRssController.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\aggregator_test\Controller\AggregatorTestRssController.
+ */
+
+namespace Drupal\aggregator_test\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\Component\Utility\Crypt;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Controller for the aggregator_test module.
+ */
+class AggregatorTestRssController extends ControllerBase {
+
+  /**
+   * Generates a test feed and simulates last-modified and etags.
+   *
+   * @param $use_last_modified
+   *   Set TRUE to send a last modified header.
+   * @param $use_etag
+   *   Set TRUE to send an etag.
+   * @param Request $request
+   *   Information about the current HTTP request.
+   *
+   * @return \Symfony\Component\HttpFoundation\Response
+   *   A feed that forces cache validation.
+   */
+  public function testFeed($use_last_modified, $use_etag, Request $request) {
+    $response = new Response();
+
+    $last_modified = strtotime('Sun, 19 Nov 1978 05:00:00 GMT');
+    $etag = Crypt::hashBase64($last_modified);
+
+    $if_modified_since = strtotime($request->server->get('HTTP_IF_MODIFIED_SINCE'));
+    $if_none_match = stripslashes($request->server->get('HTTP_IF_NONE_MATCH'));
+
+    // Send appropriate response. We respond with a 304 not modified on either
+    // etag or on last modified.
+    if ($use_last_modified) {
+      $response->headers->set('Last-Modified', gmdate(DATE_RFC1123, $last_modified));
+    }
+    if ($use_etag) {
+      $response->headers->set('ETag', $etag);
+    }
+    // Return 304 not modified if either last modified or etag match.
+    if ($last_modified == $if_modified_since || $etag == $if_none_match) {
+      $response->setStatusCode(304);
+      return $response;
+    }
+
+    // The following headers force validation of cache.
+    $response->headers->set('Expires', 'Sun, 19 Nov 1978 05:00:00 GMT');
+    $response->headers->set('Cache-Control', 'must-revalidate');
+    $response->headers->set('Content-Type', 'application/rss+xml; charset=utf-8');
+
+    // Read actual feed from file.
+    $file_name = drupal_get_path('module', 'aggregator_test') . '/aggregator_test_rss091.xml';
+    $handle = fopen($file_name, 'r');
+    $feed = fread($handle, filesize($file_name));
+    fclose($handle);
+
+    $response->setContent($feed);
+    return $response;
+  }
+
+  /**
+   * Generates a rest redirect to the test feed.
+   *
+   * @return \Symfony\Component\HttpFoundation\RedirectResponse
+   *   A response that redirects users to the test feed.
+   */
+  public function testRedirect() {
+    return $this->redirect('aggregator_test_feed', array(), 301);
+  }
+
+}