Hide 'Customize' toolbar item when customizer is not supported. fixes #20751, see #19910.

Removes script queue check for 'customize-loader' from wp_customize_support_script(), because we may want to check for customize-support on a page without the loader.


git-svn-id: https://develop.svn.wordpress.org/trunk@20918 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/css/admin-bar.dev.css

@@ -581,6 +581,14 @@
 	background-position: -2px -203px;
 }
 
+/**
+ * Customize support classes
+ */
+.no-customize-support .hide-if-no-customize,
+.customize-support .hide-if-customize {
+	display: none;
+}
+
 /**
  * Retina display 2x icons
  */