Issue #2102487 by vijaycs85, ACF: Add back in tab removed in [#1972990] and remove drupal_set_title() in tracker module controllers.

core/modules/tracker/lib/Drupal/tracker/Controller/TrackerUserTab.php

@@ -28,6 +28,6 @@ class TrackerUserTab extends ControllerBase {
    * Title callback for the tracker.user_tab route.
    */
   public function getTitle(UserInterface $user) {
-    return String::checkPlain(user_format_name($user));
+    return String::checkPlain($user->getUsername());
   }
 }

core/modules/tracker/lib/Drupal/tracker/Tests/TrackerTest.php

@@ -118,6 +118,9 @@ class TrackerTest extends WebTestBase {
     $this->assertText($my_published->label(), "Published nodes show up in the user's tracker listing.");
     $this->assertNoText($other_published_no_comment->label(), "Other user's nodes do not show up in the user's tracker listing.");
     $this->assertText($other_published_my_comment->label(), "Nodes that the user has commented on appear in the user's tracker listing.");
+    // Verify that title and tab title have been set correctly.
+    $this->assertText('Track', 'The user tracker tab has the name "Track".');
+    $this->assertTitle(t('@name | @site', array('@name' => $this->user->getUsername(), '@site' => \Drupal::config('system.site')->get('name'))), 'The user tracker page has the correct page title.');
 
     // Verify that unpublished comments are removed from the tracker.
     $admin_user = $this->drupalCreateUser(array('post comments', 'administer comments', 'access user profiles'));

core/modules/tracker/tracker.local_tasks.yml

@@ -8,3 +8,8 @@ tracker.users_recent_tab:
   title: 'My recent content'
   tab_root_id: tracker.page_tab
   class: '\Drupal\tracker\Plugin\Menu\UserTrackerTab'
+
+tracker.user_tab:
+  route_name: tracker.user_tab
+  tab_root_id: user.view
+  title: 'Track'

core/modules/tracker/tracker.pages.inc

@@ -17,19 +17,12 @@
  *
  * @see tracker_menu()
  */
-function tracker_page($account = NULL, $set_title = FALSE) {
+function tracker_page($account = NULL) {
   if ($account) {
     $query = db_select('tracker_user', 't')
       ->extend('Drupal\Core\Database\Query\PagerSelectExtender')
       ->addMetaData('base_table', 'tracker_user')
       ->condition('t.uid', $account->id());
-
-    if ($set_title) {
-      // When viewed from user/%user/track, display the name of the user
-      // as page title -- the tab title remains Track so this needs to be done
-      // here and not in the menu definition.
-      drupal_set_title(user_format_name($account));
-    }
   }
   else {
     $query = db_select('tracker_node', 't', array('target' => 'slave'))