Clarify settings UI in multi-profiles mode

chrome/browser/resources/options/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 59 matching lines @@
           var focusElement = $('advanced-settings-container').querySelector(
               'button, input, list, select, a[href]');
           if (focusElement)
             focusElement.focus();
         }
       }
 
       $('advanced-settings').addEventListener('webkitTransitionEnd',
           this.updateAdvancedSettingsExpander_.bind(this));
 
-      if (cr.isChromeOS)
+      if (cr.isChromeOS) {
         UIAccountTweaks.applyGuestModeVisibility(document);
+        if (loadTimeData.getBoolean('secondaryUser'))
+          $('secondary-user-banner').hidden = false;
+      }
 
       // Sync (Sign in) section.
       this.updateSyncState_(loadTimeData.getValue('syncData'));
 
       $('start-stop-sync').onclick = function(event) {
         if (self.signedIn_)
           SyncSetupOverlay.showStopSyncingUI();
         else if (cr.isChromeOS)
           SyncSetupOverlay.showSetupUI();
         else
           SyncSetupOverlay.startSignIn();
       };
       $('customize-sync').onclick = function(event) {
         SyncSetupOverlay.showSetupUI();
       };
 
       // Internet connection section (ChromeOS only).
       if (cr.isChromeOS) {
         options.network.NetworkList.decorate($('network-list'));
+        // Show that the network settings are shared if this is a secondary user
+        // in a multi-profile session.
+        if (loadTimeData.getBoolean('secondaryUser')) {
+          // Create a synthetic pref change event decorated as
+          // CoreOptionsHandler::CreateValueForPref() does.
+          var event = new Event('network-section');
+          event.value = { controlledBy: 'shared' };
+          var networkIndicator = document.querySelector(
+              '#network-section-header > .controlled-setting-indicator');
+          networkIndicator.location = cr.ui.ArrowLocation.TOP_START;
+          networkIndicator.handlePrefChange(event);
+        }
         options.network.NetworkList.refreshNetworkData(
             loadTimeData.getValue('networkData'));
       }
 
       // On Startup section.
       Preferences.getInstance().addEventListener('session.restore_on_startup',
           this.onRestoreOnStartupChanged_.bind(this));
       Preferences.getInstance().addEventListener(
           'session.startup_urls',
           function(event) {
@@ skipping 112 matching lines @@
         this.updateAccountPicture_();
 
         $('account-picture').onclick = this.showImagerPickerOverlay_;
         $('change-picture-caption').onclick = this.showImagerPickerOverlay_;
 
         $('manage-accounts-button').onclick = function(event) {
           OptionsPage.navigateToPage('accounts');
           chrome.send('coreOptionsUserMetricsAction',
               ['Options_ManageAccounts']);
         };
+
+        document.querySelector(
+            '#enable-screen-lock + span > .controlled-setting-indicator').
+            setAttribute('textshared',
+                         loadTimeData.getString('screenLockShared'));
       } else {
         $('import-data').onclick = function(event) {
           ImportDataOverlay.show();
           chrome.send('coreOptionsUserMetricsAction', ['Import_ShowDlg']);
         };
 
         if ($('themes-native-button')) {
           $('themes-native-button').onclick = function(event) {
             chrome.send('themesSetNative');
           };
@@ skipping 1366 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });