From b48638f276e0ab372000b069dc46097f34840cbc Mon Sep 17 00:00:00 2001
From: Chris Malley <cmalley@pixelzoom.com>
Date: Thu, 17 Jan 2019 13:19:42 -0700
Subject: [PATCH] convert to new ComboBoxItem,
 https://github.com/phetsims/sun/issues/450

Signed-off-by: Chris Malley <cmalley@pixelzoom.com>
---
 js/common/view/MediumControlPanel.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/js/common/view/MediumControlPanel.js b/js/common/view/MediumControlPanel.js
index 3f7067de..e24e8bff 100644
--- a/js/common/view/MediumControlPanel.js
+++ b/js/common/view/MediumControlPanel.js
@@ -16,6 +16,7 @@ define( function( require ) {
   var BendingLightConstants = require( 'BENDING_LIGHT/common/BendingLightConstants' );
   var Bounds2 = require( 'DOT/Bounds2' );
   var ComboBox = require( 'SUN/ComboBox' );
+  var ComboBoxItem = require( 'SUN/ComboBoxItem' );
   var Dimension2 = require( 'DOT/Dimension2' );
   var DispersionFunction = require( 'BENDING_LIGHT/common/model/DispersionFunction' );
   var HSlider = require( 'SUN/HSlider' );
@@ -104,7 +105,7 @@ define( function( require ) {
         itemName.scale( comboBoxTextWidth / itemName.width );
       }
 
-      return ComboBox.createItem( itemName, item );
+      return new ComboBoxItem( itemName, item );
     };
     // states to choose from (and indicate) in the combo box
     var substances = [
@@ -152,7 +153,7 @@ define( function( require ) {
       labelNode: materialTitle,
       listPosition: options.comboBoxListPosition,
       xMargin: 7,
-      yMargin: 4,
+      yMargin: 7,
       arrowHeight: 6,
       cornerRadius: 3
     } );