Clarify settings UI in multi-profiles mode

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index cc01414f19c8147c0156f394c0a52791de7edb93..1df186d1150198c902b71cde4ebf9420deee5a5a 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -77,8 +77,11 @@ cr.define('options', function() {
       $('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'));
@@ -98,6 +101,18 @@ cr.define('options', function() {
       // 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'));
       }
@@ -230,6 +245,11 @@ cr.define('options', function() {
           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();