Fix toolbar icon customization in Australis

lib/appSupport.js

Index: lib/appSupport.js
===================================================================
--- a/lib/appSupport.js
+++ b/lib/appSupport.js
@@ -61,19 +61,18 @@ exports.getCurrentLocation = function ge
 
 /**
  * The ID (or a list of possible IDs) of the content area context menu.
  * @type String|String[]
  */
 exports.contentContextMenu = null;
 
 /**
- * The properties parent, before, after determine the default placement of the
- * toolbar icon, the property isAddonBar indicates that it is an add-on bar
- * (different options text is displayed then).
+ * Determines the default placement of the toolbar icon via object properties
+ * parent, before and after.
  * @type Object
  */
 exports.defaultToolbarPosition = null;
 
 /**
  * The properties parent, before, after determine the placement of the status
  * bar icon.
  * @type Object
@@ -272,19 +271,17 @@ switch (application)
         window.openNewTabWith(url, exports.getBrowser(window).contentDocument, null, event, false);
       else
         window.gBrowser.loadOneTab(url, {inBackground: false});
     };
 
     exports.contentContextMenu = "contentAreaContextMenu";
 
     exports.defaultToolbarPosition = {
-      parent: "addon-bar",
-      before: "addonbar-closebutton",
-      isAddonBar: true
+      parent: "nav-bar"
     };
 
     exports.toolsMenu = {
       parent: "menu_ToolsPopup"
     };
 
     exports.addBottomBar = function fx_addBottomBar(window, element)
     {