diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
index 7df986e..782cb38 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
@@ -209,7 +209,7 @@ function post_render(&$output) { }
    * Start caching the html head.
    *
    * This takes a snapshot of the current system state so that we don't
-   * duplicate it. Later on, when gather_headers() is run, this information
+   * duplicate it. Later on, when gatherHeaders() is run, this information
    * will be removed so that we don't hold onto it.
    *
    * @see drupal_add_html_head()
@@ -221,7 +221,7 @@ function cache_start() {
   /**
    * Gather the JS/CSS from the render array, the html head from the band data.
    */
-  function gather_headers() {
+  public function gatherHeaders() {
     // Simple replacement for head
     if (isset($this->storage['head'])) {
       $this->storage['head'] = str_replace($this->storage['head'], '', drupal_add_html_head());