Suppress ToS and reflect admin policy in ARC++ welcome screen

chrome/browser/resources/chromeos/arc_support/background.js

 // Copyright 2016 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.
 
 /**
  * UI Pages. Note the order must be in sync with the ArcAuthService::UIPage
  * enum.
  * @type {Array<string>}
  */
 var UI_PAGES = ['none',
@@ skipping 92 matching lines @@
  * @param {!Object} data Localized strings and relevant information.
  * @param {string} deviceId Current device id.
  */
 function initialize(data, deviceId) {
   currentDeviceId = deviceId;
   var doc = appWindow.contentWindow.document;
   var loadTimeData = appWindow.contentWindow.loadTimeData;
   loadTimeData.data = data;
   appWindow.contentWindow.i18nTemplate.process(doc, loadTimeData);
   var countryCode = data.countryCode.toLowerCase();
-  setBackupRestoreMode(data.textBackupRestore, data.backupRestoreEnabled);
-  setLocationServiceMode(data.textLocationService, data.locationServiceEnabled);
+  setBackupRestoreMode(data.textBackupRestore, data.backupRestoreEnabled,
+                       data.backupRestoreManaged, data.managementText);
+  setLocationServiceMode(data.textLocationService, data.locationServiceEnabled,
+                       data.locationServiceManaged, data.managementText);
+  hideTermsIfManaged(data.profileManaged);
 
   var scriptSetCountryCode = 'document.countryCode = \'' + countryCode + '\';';
   termsView.addContentScripts([
       { name: 'preProcess',
         matches: ['https://play.google.com/*'],
         js: { code: scriptSetCountryCode },
         run_at: 'document_start'
       },
       { name: 'postProcess',
         matches: ['https://play.google.com/*'],
@@ skipping 40 matching lines @@
 
   // Applying metrics mode changes page layout, update terms height.
   updateTermsHeight();
 }
 
 /**
  * Sets current backup and restore mode.
  * @param {string} text String used to display next to checkbox.
  * @param {boolean} defaultCheckValue Defines the default value for backup and
  *     restore checkbox.
+ * @param {boolean} isManaged Defines whether this setting is set by policy.
+ * @param {string} managementText String explaining that the setting is enforced
+ *     by the administrator.
  */
-function setBackupRestoreMode(text, defaultCheckValue) {
+function setBackupRestoreMode(text, defaultCheckValue, isManaged,
+    managementText) {
   var doc = appWindow.contentWindow.document;
   doc.getElementById('enable-backup-restore').checked = defaultCheckValue;
+  doc.getElementById('enable-backup-restore').disabled = isManaged;
 
   doc.getElementById('text-backup-restore').innerHTML = text;
+  doc.getElementById('text-backup-restore').disabled = isManaged;
   doc.getElementById('learn-more-link-backup-restore').addEventListener('click',
       onLearnMore);
+
+  if (isManaged) {
+    doc.getElementById('backup-management-indicator').style.display = 'block';
+    doc.getElementById('backup-management-indicator').title = managementText;
+  }
 }
 
 /**
  * Sets current usage of location service opt in mode.
  * @param {string} text String used to display next to checkbox.
  * @param {boolean} defaultCheckValue Defines the default value for location
  *     service opt in.
+ * @param {boolean} isManaged Defines whether this setting is set by policy.
+ * @param {string} managementText String explaining that the setting is enforced
+ *     by the administrator.
  */
-function setLocationServiceMode(text, defaultCheckValue) {
+function setLocationServiceMode(text, defaultCheckValue, isManaged,
+    managementText) {
   var doc = appWindow.contentWindow.document;
   doc.getElementById('enable-location-service').checked = defaultCheckValue;
+  doc.getElementById('enable-location-service').disabled = isManaged;
 
   doc.getElementById('text-location-service').innerHTML = text;
+  doc.getElementById('text-location-service').disabled = isManaged;
   doc.getElementById('learn-more-link-location-service').
       addEventListener('click', onLearnMore);
+  if (isManaged) {
+    doc.getElementById('location-management-indicator').style.display = 'block';
+    doc.getElementById('location-management-indicator').title = managementText;
+  }
 }
 
 /**
+ * Hides Terms of Service if the account is managed, because the admin already
+ * agreed to the terms.
+ * @param {boolean} profileManaged Whether the account is managed on Chrome OS.
+ */
+function hideTermsIfManaged(profileManaged) {
+  var doc = appWindow.contentWindow.document;
+  if (profileManaged) {
+    doc.getElementById('terms-title').style.display = 'none';
+    doc.getElementById('terms-container').style.display = 'none';
+  }
+}
+
+/**
  * Updates terms view height manually because webview is not automatically
  * resized in case parent div element gets resized.
  */
 function updateTermsHeight() {
   var setTermsHeight = function() {
     var doc = appWindow.contentWindow.document;
     var termsContainer = doc.getElementById('terms-container');
     // Reset terms-view height in order to stabilize style computation. For
     // some reason, child webview affects final result.
     termsView.style.height = '0px';
@@ skipping 351 matching lines @@
       type: 'chrome',
       color: '#ffffff'
     },
     'innerBounds': {
       'width': INNER_WIDTH,
       'height': INNER_HEIGHT
     }
   };
   chrome.app.window.create('main.html', options, onWindowCreated);
 });