Don't allow elevation for CHROME_OS.

chrome/browser/resources/options/managed_user_settings.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 if (loadTimeData.getBoolean('managedUsersEnabled')) {
 
 cr.define('options', function() {
   /** @const */ var OptionsPage = options.OptionsPage;
   /** @const */ var SettingsDialog = options.SettingsDialog;
 
@@ skipping 55 matching lines @@
         OptionsPage.navigateToPage('manualExceptions');
         uber.invokeMethodOnParent('setPath', {path: url});
         uber.invokeMethodOnParent('setTitle',
             {title: loadTimeData.getString('manualExceptionsTabTitle')});
       };
 
       $('get-content-packs-button').onclick = function(event) {
         window.open(loadTimeData.getString('getContentPacksURL'));
       };
 
       $('set-passphrase').onclick = function() {

[Bernhard Bauer, 2013/04/11 13:31:18]

This should also be hidden on Chrome OS.

[Adrian Kuegel, 2013/04/11 15:56:10]

True. And I should exclude the browsertest for set passphrase.

         OptionsPage.navigateToPage('setPassphrase');
       };
 
       $('use-passphrase-checkbox').onclick = function() {
         $('set-passphrase').disabled = !$('use-passphrase-checkbox').checked;
       };
 
       var self = this;
 
-      $('lock-settings').onclick = function() {
-        chrome.send('setElevated', [false]);
-        // The managed user is currently authenticated, so don't wait for a
-        // callback to set the new authentication state since a reset to not
-        // elevated is done without showing the passphrase dialog.
-        self.authenticationState = ManagedUserAuthentication.UNAUTHENTICATED;
-        self.enableControls(false);
-      };
+      if (!cr.isChromeOS) {
+        $('lock-settings').onclick = function() {
+          chrome.send('setElevated', [false]);
+          // The managed user is currently authenticated, so don't wait for a
+          // callback to set the new authentication state since a reset to not
+          // elevated is done without showing the passphrase dialog.
+          self.authenticationState = ManagedUserAuthentication.UNAUTHENTICATED;
+          self.enableControls(false);
+        };
 
-      $('unlock-settings').onclick = function() {
-        if (self.authenticationState == ManagedUserAuthentication.CHECKING)
-          return;
-        self.authenticationState = ManagedUserAuthentication.CHECKING;
-        chrome.send('setElevated', [true]);
-      };
+        $('unlock-settings').onclick = function() {
+          if (self.authenticationState == ManagedUserAuthentication.CHECKING)
+            return;
+          self.authenticationState = ManagedUserAuthentication.CHECKING;
+          chrome.send('setElevated', [true]);
+        };
+      }
     },
 
     /** @override */
     handleConfirm: function() {
       if ($('use-passphrase-checkbox').checked && !this.isPassphraseSet) {
         OptionsPage.navigateToPage('setPassphrase');
         return;
       }
       if (!$('use-passphrase-checkbox').checked)
         chrome.send('resetPassphrase');
@@ skipping 102 matching lines @@
 
   // Export
   return {
     ManagedUserSettings: ManagedUserSettings,
     ManagedUserSettingsForTesting: ManagedUserSettingsForTesting,
     ManagedUserAuthentication: ManagedUserAuthentication
   };
 });
 
 }