Add missing access modifiers to methods/members in WP_Customize_*.

See #27881, #22234.

Built from https://develop.svn.wordpress.org/trunk@28509


git-svn-id: http://core.svn.wordpress.org/trunk@28335 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-customize-manager.php

@@ -190,7 +190,7 @@ final class WP_Customize_Manager {
 	 *
 	 * @since 3.4.0
 	 */
-	function after_setup_theme() {
+	public function after_setup_theme() {
 		if ( ! $this->doing_ajax() && ! validate_current_theme() ) {
 			wp_redirect( 'themes.php?broken=true' );
 			exit;