From 7a794b89410b26f796113bee220964a87166de33 Mon Sep 17 00:00:00 2001
From: koopersmith <koopersmith@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 22 Mar 2012 07:03:44 +0000
Subject: [PATCH] Theme Customizer: Ensure background_color and
 background_image exist instead of blindly attempting to access their
 controls. see #19910.

git-svn-id: http://svn.automattic.com/wordpress/trunk@20259 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/js/customize-controls.dev.js | 9 ++++++---
 wp-includes/js/customize-preview.dev.js  | 6 ++++--
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/wp-includes/js/customize-controls.dev.js b/wp-includes/js/customize-controls.dev.js
index 3439b1d73..c0c9e6974 100644
--- a/wp-includes/js/customize-controls.dev.js
+++ b/wp-includes/js/customize-controls.dev.js
@@ -249,10 +249,13 @@
 		});
 
 		// Background color uses postMessage by default
-		api('background_color').method = 'postMessage';
+		api( 'background_color', function( control ) {
+			control.method = 'postMessage';
+		});
 
-		// api('background_image').method = 'postMessage';
-		api('background_image').uploader.param( 'post_data[context]', 'custom-background' );
+		api( 'background_image', function( control ) {
+			control.uploader.param( 'post_data[context]', 'custom-background' );
+		});
 	});
 
 })( wp, jQuery );
\ No newline at end of file
diff --git a/wp-includes/js/customize-preview.dev.js b/wp-includes/js/customize-preview.dev.js
index fefc06b51..836d26574 100644
--- a/wp-includes/js/customize-preview.dev.js
+++ b/wp-includes/js/customize-preview.dev.js
@@ -68,8 +68,10 @@
 
 		body = $(document.body);
 		// Auto update background color by default
-		api.bind( 'background_color', function( to ) {
-			body.css( 'background-color', '#' + to );
+		api( 'background_color', function( value ) {
+			value.bind( function( to ) {
+				body.css( 'background-color', '#' + to );
+			});
 		});
 	});