[MD settings] change sites to private sites_

chrome/browser/resources/settings/site_settings/site_list.js

Index: chrome/browser/resources/settings/site_settings/site_list.js
diff --git a/chrome/browser/resources/settings/site_settings/site_list.js b/chrome/browser/resources/settings/site_settings/site_list.js
index e32f1610a89d662e21d7a997ee706808b36bbe06..827d721307ed1aa12ec11f1909a61c92d08399a1 100644
--- a/chrome/browser/resources/settings/site_settings/site_list.js
+++ b/chrome/browser/resources/settings/site_settings/site_list.js
@@ -58,9 +58,9 @@ Polymer({
 
     /**
      * Array of sites to display in the widget.
-     * @type {!Array<SiteException>}
+     * @private {!Array<SiteException>}
      */
-    sites: {
+    sites_: {
       type: Array,
       value: function() { return []; },
     },
@@ -199,7 +199,7 @@ Polymer({
    * @private
    */
   hasSites_: function() {
-    return !!this.sites.length;
+    return !!this.sites_.length;
   },
 
   /**
@@ -261,7 +261,7 @@ Polymer({
     var sites = [];
     for (var i = 0; i < data.length; ++i)
       sites = this.appendSiteList_(sites, data[i]);
-    this.sites = this.toSiteArray_(sites);
+    this.sites_ = this.toSiteArray_(sites);
   },
 
   /**