Hide proxy settings when not connected at network select screen

chrome/browser/resources/chromeos/login/oobe_welcome.js

Index: chrome/browser/resources/chromeos/login/oobe_welcome.js
diff --git a/chrome/browser/resources/chromeos/login/oobe_welcome.js b/chrome/browser/resources/chromeos/login/oobe_welcome.js
index 9bf848887df9c170a1eb1e1ec6ada270060cf61d..aeaba1a63b61b01e7d01a541a52fe440aeee76c6 100644
--- a/chrome/browser/resources/chromeos/login/oobe_welcome.js
+++ b/chrome/browser/resources/chromeos/login/oobe_welcome.js
@@ -196,12 +196,13 @@ Polymer({
   },
 
   /**
-   * Returns custom items for network selector.
+   * Returns custom items for network selector. Shows 'Proxy settings' only
+   * when connected to a network.
    * @private
    */
-  getNetworkCustomItems_: function() {
+  getNetworkCustomItems_: function(isConnected_) {
     var self = this;
-    return [
+    var items = [
       {
         customItemName: 'proxySettingsMenuName',
         polymerIcon: 'oobe-welcome-20:add-proxy',
@@ -224,6 +225,9 @@ Polymer({
         },
       },
     ];
+    if (isConnected_)
+      return items;
+    return items.slice(1);
   },
 
   /**