From 1b2dae466877ca387651064d04ac17a06db9cca9 Mon Sep 17 00:00:00 2001
From: Weston Ruter <westonruter@git.wordpress.org>
Date: Sun, 6 Dec 2015 18:38:45 +0000
Subject: [PATCH] Customizer: Re-use public `api.preview` instance in widgets
 preview instead of unnecessarily capturing in `api.Preview` constructor
 wrapper.

The preview instance is no longer private.

Props joshlevinson, westonruter.
Fixes #30890.
See #30726.


git-svn-id: https://develop.svn.wordpress.org/trunk@35783 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/js/customize-preview-widgets.js | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/src/wp-includes/js/customize-preview-widgets.js b/src/wp-includes/js/customize-preview-widgets.js
index 92267e88fb..f9828295fc 100644
--- a/src/wp-includes/js/customize-preview-widgets.js
+++ b/src/wp-includes/js/customize-preview-widgets.js
@@ -2,8 +2,7 @@
 
 	if ( ! wp || ! wp.customize ) { return; }
 
-	var api = wp.customize,
-		OldPreview;
+	var api = wp.customize;
 
 	/**
 	 * wp.customize.WidgetCustomizerPreview
@@ -20,6 +19,8 @@
 
 		init: function () {
 			var self = this;
+
+			this.preview = api.preview;
 			this.buildWidgetSelectors();
 			this.highlightControls();
 
@@ -104,17 +105,6 @@
 		}
 	};
 
-	/**
-	 * Capture the instance of the Preview since it is private
-	 */
-	OldPreview = api.Preview;
-	api.Preview = OldPreview.extend( {
-		initialize: function( params, options ) {
-			api.WidgetCustomizerPreview.preview = this;
-			OldPreview.prototype.initialize.call( this, params, options );
-		}
-	} );
-
 	$(function () {
 		var settings = window._wpWidgetCustomizerPreviewSettings;
 		if ( ! settings ) {