Implement ephemeral users

chrome/browser/resources/options2/browser_options.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.
 
 cr.define('options', function() {
   var OptionsPage = options.OptionsPage;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
 
   //
@@ skipping 177 matching lines @@
         this.username_ = localStrings.getString('username');
 
         this.updateAccountPicture_();
 
         if (cr.commandLine && cr.commandLine.options['--bwsi']) {
           // Disable the screen lock checkbox in guest mode.
           $('enable-screen-lock').disabled = true;
 
           // Hide the startup section in Guest mode.
           $('startup-section').hidden = true;
-        } else {
+        } else if (localStrings.getString('current_user_is_ephemeral') !=
+            'true') {
+          // Enable picture changing if the user is neither a guest nor
+          // ephemeral.

[Ivan Korotkov, 2012/03/01 20:16:30]

#change-picture-caption should be made invisible as well.

[use bartfab instead, 2012/03/05 18:07:32]

Done.

           $('account-picture-wrapper').onclick = function(event) {
             OptionsPage.navigateToPage('changePicture');
           };
         }
 
         $('manage-accounts-button').onclick = function(event) {
           OptionsPage.navigateToPage('accounts');
           chrome.send('coreOptionsUserMetricsAction',
               ['Options_ManageAccounts']);
         };
@@ skipping 555 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });