diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
index 4c926ad..cd45efe 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
@@ -54,7 +54,7 @@ function render($empty = FALSE) {
     $format = isset($this->options['format']) ? $this->options['format'] : filter_default_format();
     if (!$empty || !empty($this->options['empty'])) {
       return array(
-        '#markup' => $this->render_textarea($this->options['content'], $format),
+        '#markup' => $this->renderTextarea($this->options['content'], $format),
       );
     }
 
@@ -64,7 +64,7 @@ function render($empty = FALSE) {
   /**
    * Render a text area, using the proper format.
    */
-  function render_textarea($value, $format) {
+  public function renderTextarea($value, $format) {
     if ($value) {
       if ($this->options['tokenize']) {
         $value = $this->view->style_plugin->tokenize_value($value, 0);
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
index 002537a..55c547b 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
@@ -48,7 +48,7 @@ public function submitOptionsForm(&$form, &$form_state) {
   function render($empty = FALSE) {
     if (!$empty || !empty($this->options['empty'])) {
       return array(
-        '#markup' => $this->render_textarea($this->options['content']),
+        '#markup' => $this->renderTextarea($this->options['content']),
       );
     }
 
@@ -58,7 +58,7 @@ function render($empty = FALSE) {
   /**
    * Render a text area with filter_xss_admin.
    */
-  function render_textarea($value) {
+  public function renderTextarea($value) {
     if ($value) {
       if ($this->options['tokenize']) {
         $value = $this->view->style_plugin->tokenize_value($value, 0);