[MD Extensions] Update polymer properties ordering

chrome/browser/resources/md_extensions/manager.js

Index: chrome/browser/resources/md_extensions/manager.js
diff --git a/chrome/browser/resources/md_extensions/manager.js b/chrome/browser/resources/md_extensions/manager.js
index b39275eef4a02a84142ce4060dbfa6f523396614..4f0596e234957a3cdcac86e7419aaf5b31be6221 100644
--- a/chrome/browser/resources/md_extensions/manager.js
+++ b/chrome/browser/resources/md_extensions/manager.js
@@ -43,6 +43,8 @@ cr.define('extensions', function() {
   var Manager = Polymer({
     is: 'extensions-manager',
 
+    behaviors: [I18nBehavior],
+
     properties: {
       /** @type {extensions.Sidebar} */
       sidebar: Object,
@@ -73,10 +75,6 @@ cr.define('extensions', function() {
       },
     },
 
-    behaviors: [
-      I18nBehavior,
-    ],
-
     listeners: {
       'items-list.extension-item-show-details': 'showItemDetails_',
     },