Activity icons should be rendered with image_icon() and not with pix_icon anymore

CHANGES.md

@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2018-03-06 - Activity icons should be rendered with image_icon() and not with pix_icon anymore.
 * 2018-03-06 - pix_url() is deprecated in Moodle 3.3, change to pix_icon() and fontawesome icons.
 * 2017-12-12 - Prepare compatibility for Moodle 3.3, no functionality change.
 

block_course_overview_campus.php

@@ -1323,7 +1323,7 @@ class block_course_overview_campus extends block_base {
                         foreach ($coursenews[$c->id] as $modname => $html) {
                             echo '<div class="coc-module">';
                                 // Output activity icon.
-                                echo $OUTPUT->pix_icon('icon', $modname, 'mod_'.$modname, array('class' => 'iconlarge activityicon'));
+                                echo $OUTPUT->image_icon('icon', $modname, 'mod_'.$modname, array('class' => 'iconlarge activityicon'));
 
                                 // Output activity introduction string.
                                 if (get_string_manager()->string_exists("activityoverview", $modname)) {