diff --git a/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/views/style/EntityReference.php b/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/views/style/EntityReference.php
index e2df530..4b054a3 100644
--- a/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/views/style/EntityReference.php
+++ b/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/views/style/EntityReference.php
@@ -78,7 +78,7 @@ public function render() {
     }
 
     // Group the rows according to the grouping field, if specified.
-    $sets = $this->render_grouping($this->view->result, $this->options['grouping']);
+    $sets = $this->renderGrouping($this->view->result, $this->options['grouping']);
 
     // Grab the alias of the 'id' field added by
     // entity_reference_plugin_display.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
index 2fe7cfa..8409c9d 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
@@ -420,7 +420,7 @@ function render() {
     }
 
     // Group the rows according to the grouping instructions, if specified.
-    $sets = $this->render_grouping(
+    $sets = $this->renderGrouping(
       $this->view->result,
       $this->options['grouping'],
       TRUE
@@ -519,7 +519,7 @@ function render_grouping_sets($sets, $level = 0) {
    *   )
    *   @endcode
    */
-  function render_grouping($records, $groupings = array(), $group_rendered = NULL) {
+  public function renderGrouping($records, $groupings = array(), $group_rendered = NULL) {
     // This is for backward compability, when $groupings was a string containing
     // the ID of a single field.
     if (is_string($groupings)) {
diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTest.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTest.php
index f567068..9793810 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTest.php
@@ -191,13 +191,13 @@ function _testGrouping($stripped = FALSE) {
 
 
     // The newer api passes the value of the grouping as well.
-    $sets_new_rendered = $view->style_plugin->render_grouping($view->result, $view->style_plugin->options['grouping'], TRUE);
+    $sets_new_rendered = $view->style_plugin->renderGrouping($view->result, $view->style_plugin->options['grouping'], TRUE);
 
     $this->assertEqual($sets_new_rendered, $expected, t('The style plugins should proper group the results with grouping by the rendered output.'));
 
     // Don't test stripped case, because the actual value is not stripped.
     if (!$stripped) {
-      $sets_new_value = $view->style_plugin->render_grouping($view->result, $view->style_plugin->options['grouping'], FALSE);
+      $sets_new_value = $view->style_plugin->renderGrouping($view->result, $view->style_plugin->options['grouping'], FALSE);
 
       // Reorder the group structure to grouping by value.
       $expected['Singer'] = $expected['Job: Singer'];