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

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

Index: chrome/browser/resources/chromeos/arc_support/background.js
diff --git a/chrome/browser/resources/chromeos/arc_support/background.js b/chrome/browser/resources/chromeos/arc_support/background.js
index 65a459c0cf210e94a30358978081050282a6f221..fde8828abdbec457d85098d2ed9237c704ed1dfb 100644
--- a/chrome/browser/resources/chromeos/arc_support/background.js
+++ b/chrome/browser/resources/chromeos/arc_support/background.js
@@ -110,8 +110,11 @@ function initialize(data, deviceId) {
   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([
@@ -172,14 +175,25 @@ function setMetricsMode(text, canEnable, on) {
  * @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;
+  }
 }
 
 /**
@@ -187,14 +201,37 @@ function setBackupRestoreMode(text, defaultCheckValue) {
  * @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';
+  }
 }
 
 /**