Issue #2214525 by Palashvijay4O: Remove unused Drupal\Core\Utility\Title

core/lib/Drupal/Core/Utility/Title.php

-<?php
-
-/**
- * @file
- * Contains \Drupal\Core\Utility\Title.
- */
-
-namespace Drupal\Core\Utility;
-
-/**
- * Defines some constants related with Drupal page title.
- */
-class Title {
-
-  /**
-   * Flag for controller titles, for sanitizing via String::checkPlain
-   */
-  const CHECK_PLAIN = 0;
-
-  /**
-   * For controller titles, for sanitizing via Xss::filterAdmin.
-   */
-  const FILTER_XSS_ADMIN = 1;
-
-  /**
-   * For controller titles, text has already been sanitized.
-   */
-  const PASS_THROUGH = -1;
-
-}

core/modules/system/src/Tests/System/PageTitleTest.php

@@ -9,7 +9,6 @@
 
 use Drupal\Component\Utility\String;
 use Drupal\Component\Utility\Xss;
-use Drupal\Core\Utility\Title;
 use Drupal\simpletest\WebTestBase;
 
 /**

core/modules/views/src/Plugin/views/area/Title.php

@@ -8,7 +8,6 @@
 namespace Drupal\views\Plugin\views\area;
 
 use Drupal\Core\Form\FormStateInterface;
-use \Drupal\Core\Utility\Title as UtilityTitle;
 
 /**
  * Views area title override handler.
@@ -54,7 +53,7 @@ public function preRender(array $results) {
     // If a title is provided, process it.
     if (!empty($this->options['title'])) {
       $value = $this->globalTokenReplace($this->options['title']);
-      $this->view->setTitle($this->sanitizeValue($value, 'xss_admin'), UtilityTitle::PASS_THROUGH);
+      $this->view->setTitle($this->sanitizeValue($value, 'xss_admin'));
     }
   }