--- /dev/null
+--- src/Controller/HackedDiffController.php
++++ src/Controller/HackedDiffController.php
+@@ -2,14 +2,46 @@
+
+ namespace Drupal\hacked\Controller;
+
+-use Drupal\diff\EntityComparisonBase;
++use Drupal\Core\Controller\ControllerBase;
++use Drupal\diff\DiffEntityComparison;
+ use Drupal\hacked\hackedFileHasher;
+ use Drupal\hacked\hackedProject;
++use Symfony\Component\DependencyInjection\ContainerInterface;
+
+ /**
+ * Controller routines for hacked routes.
+ */
+-class HackedDiffController extends EntityComparisonBase {
++class HackedDiffController extends ControllerBase {
++
++ /**
++ * Wrapper object for writing/reading configuration from diff.plugins.yml
++ */
++ protected $config;
++
++ /**
++ * The diff entity comparison service.
++ */
++ protected $entityComparison;
++
++ /**
++ * Constructs a HackedDiffController object.
++ *
++ * @param DiffEntityComparison $entity_comparison
++ * DiffEntityComparison service.
++ */
++ public function __construct(DiffEntityComparison $entity_comparison) {
++ $this->config = $this->config('diff.settings');
++ $this->entityComparison = $entity_comparison;
++ }
++
++ /**
++ * {@inheritdoc}
++ */
++ public static function create(ContainerInterface $container) {
++ return new static(
++ $container->get('diff.entity_comparison')
++ );
++ }
+
+ /**
+ * Shows a diff report for a specific file in a project.
+@@ -50,7 +82,7 @@ class HackedDiffController extends EntityComparisonBase {
+ $build = [
+ '#theme' => 'table',
+ '#header' => [t('Original'), '', t('Current'), ''],
+- '#rows' => $this->getRows($hasher->fetch_lines($original_file), $hasher->fetch_lines($installed_file), TRUE),
++ '#rows' => $this->entityComparison->getRows($hasher->fetch_lines($original_file), $hasher->fetch_lines($installed_file), TRUE),
+ ];
+
+ // Add the CSS for the diff.
+@@ -86,4 +118,4 @@ class HackedDiffController extends EntityComparisonBase {
+ ]);
+ }
+
+-}+}