[gnome-shell] popupMenu: Allow specifying an icon on PopupMenuBase.addAction()

[Mario Sanchez Prada <msanchez src gnome org>]

commit e38c26894be3719fd502199b770985d6182e28a0
Author: Mario Sanchez Prada <mario endlessm com>
Date:   Mon May 8 11:38:16 2017 +0100

    popupMenu: Allow specifying an icon on PopupMenuBase.addAction()
    
    This allows passing an optional icon parameter to addAction()
    so that a PopupImageMenuItem instance is created instead of a
    PopupMenuItem if an icon is specified.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782166

 js/ui/popupMenu.js |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index 53ab7c1..17a5a91 100644
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -467,8 +467,13 @@ const PopupMenuBase = new Lang.Class({
         this._setSettingsVisibility(Main.sessionMode.allowSettings);
     },
 
-    addAction: function(title, callback) {
-        let menuItem = new PopupMenuItem(title);
+    addAction: function(title, callback, icon) {
+        let menuItem;
+        if (icon != undefined)
+            menuItem = new PopupImageMenuItem(title, icon);
+        else
+            menuItem = new PopupMenuItem(title);
+
         this.addMenuItem(menuItem);
         menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
             callback(event);