Widget Customizer: Convert static WP_Customize_Widgets class into instantiated class and merge Options_Transaction into WP_Customize_Widgets.

see #27504.
props westonruter.

Built from https://develop.svn.wordpress.org/trunk@27816


git-svn-id: http://core.svn.wordpress.org/trunk@27650 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/ajax-actions.php

@@ -1588,7 +1588,8 @@ function wp_ajax_save_widget() {
 }
 
 function wp_ajax_update_widget() {
-	WP_Customize_Widgets::wp_ajax_update_widget();
+	global $wp_customize;
+	$wp_customize->widgets->wp_ajax_update_widget();
 }
 
 function wp_ajax_upload_attachment() {

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

@@ -1080,7 +1080,7 @@ class WP_Widget_Form_Customize_Control extends WP_Customize_Control {
 		);
 
 		$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
-		echo WP_Customize_Widgets::get_widget_control( $args );
+		echo $this->manager->widgets->get_widget_control( $args );
 	}
 }
 

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

@@ -37,6 +37,13 @@ final class WP_Customize_Manager {
 	 */
 	protected $previewing = false;
 
+	/**
+	 * Methods and properties deailing with managing widgets in the customizer.
+	 *
+	 * @var WP_Customize_Widgets
+	 */
+	public $widgets;
+
 	protected $settings = array();
 	protected $sections = array();
 	protected $controls = array();
@@ -63,7 +70,7 @@ final class WP_Customize_Manager {
 		require( ABSPATH . WPINC . '/class-wp-customize-control.php' );
 		require( ABSPATH . WPINC . '/class-wp-customize-widgets.php' );
 
-		WP_Customize_Widgets::setup(); // This should be integrated.
+		$this->widgets = new WP_Customize_Widgets( $this );
 
 		add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );