Merge "cros: No migration banner if user not allowed for ARC"

chrome/browser/chromeos/login/screens/user_selection_screen.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/chromeos/login/screens/user_selection_screen.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 131 matching lines @@
   return quick_unlock_storage->IsFingerprintAuthenticationAvailable();
 }
 
 // Returns true if dircrypto migration check should be performed.
 bool ShouldCheckNeedDircryptoMigration() {
   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
              switches::kDisableEncryptionMigration) &&
          arc::IsArcAvailable();
 }
 
+// Returns true if the user can run ARC based on the user type.
+bool IsUserAllowedForARC(const AccountId& account_id) {
+  if (!user_manager::UserManager::IsInitialized())
+    return false;
+
+  const user_manager::User* user =
+      user_manager::UserManager::Get()->FindUser(account_id);
+  if (!user)
+    return false;
+
+  return user->HasGaiaAccount() || (user->IsActiveDirectoryUser() &&
+                                    arc::IsArcAllowedForActiveDirectoryUsers());
+}
+
 }  // namespace
 
 // Helper class to call cryptohome to check whether a user needs dircrypto
 // migration. The check results are cached to limit calls to cryptohome.
 class UserSelectionScreen::DircryptoMigrationChecker {
  public:
   explicit DircryptoMigrationChecker(UserSelectionScreen* owner)
       : owner_(owner), weak_ptr_factory_(this) {}
   ~DircryptoMigrationChecker() = default;
 
   // Start to check whether the given user needs dircrypto migration.
   void Check(const AccountId& account_id) {
     focused_user_ = account_id;
 
     auto it = needs_dircrypto_migration_cache_.find(account_id);
     if (it != needs_dircrypto_migration_cache_.end()) {
       UpdateUI(account_id, it->second);
       return;
     }
 
+    // No banner if the user is not allowed for ARC.
+    if (!IsUserAllowedForARC(account_id)) {
+      UpdateUI(account_id, false);
+      return;
+    }
+
     DBusThreadManager::Get()
         ->GetCryptohomeClient()
         ->WaitForServiceToBeAvailable(
             base::Bind(&DircryptoMigrationChecker::RunCryptohomeCheck,
                        weak_ptr_factory_.GetWeakPtr(), account_id));
   }
 
  private:
   // WaitForServiceToBeAvailable callback to invoke NeedsDircryptoMigration when
   // cryptohome service is available.
@@ skipping 512 matching lines @@
   // The user profile should exist if and only if this is the lock screen.
   DCHECK_EQ(!!profile, GetScreenType() == LOCK_SCREEN);
 
   if (!profile)
     profile = profile_helper->GetSigninProfile();
 
   return EasyUnlockService::Get(profile);
 }
 
 }  // namespace chromeos