diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/exposed_form/ExposedFormPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/exposed_form/ExposedFormPluginBase.php
index 36865ec..73657a8 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/exposed_form/ExposedFormPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/exposed_form/ExposedFormPluginBase.php
@@ -254,9 +254,9 @@ function exposed_form_alter(&$form, &$form_state) {
     }
   }
 
-  function exposed_form_validate(&$form, &$form_state) {
+  public function exposedFormValidate(&$form, &$form_state) {
     if (isset($form_state['pager_plugin'])) {
-      $form_state['pager_plugin']->exposed_form_validate($form, $form_state);
+      $form_state['pager_plugin']->exposedFormValidate($form, $form_state);
     }
   }
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
index 3903da1..a12ffbd 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
@@ -241,7 +241,7 @@ function has_more_records() {
 
   function exposed_form_alter(&$form, &$form_state) { }
 
-  function exposed_form_validate(&$form, &$form_state) { }
+  public function exposedFormValidate(&$form, &$form_state) { }
 
   public function exposedFormSubmit(&$form, &$form_state, &$exclude) { }
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/pager/SqlBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/pager/SqlBase.php
index 720d734..f146b33 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/pager/SqlBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/pager/SqlBase.php
@@ -366,7 +366,7 @@ function exposed_form_alter(&$form, &$form_state) {
     }
   }
 
-  function exposed_form_validate(&$form, &$form_state) {
+  public function exposedFormValidate(&$form, &$form_state) {
     if (!empty($form_state['values']['offset']) && trim($form_state['values']['offset'])) {
       if (!is_numeric($form_state['values']['offset']) || $form_state['values']['offset'] < 0) {
         form_set_error('offset', t('Offset must be an number greather or equal than 0.'));
diff --git a/core/modules/views/views.module b/core/modules/views/views.module
index cf577bf..87e9d45 100644
--- a/core/modules/views/views.module
+++ b/core/modules/views/views.module
@@ -1442,7 +1442,7 @@ function views_exposed_form_validate(&$form, &$form_state) {
     }
   }
   $exposed_form_plugin = $form_state['exposed_form_plugin'];
-  $exposed_form_plugin->exposed_form_validate($form, $form_state);
+  $exposed_form_plugin->exposedFormValidate($form, $form_state);
 }
 
 /**