Allow re-enrollment to the same domain in case of policy data loss.

chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc

Index: chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc
diff --git a/chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc b/chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc
index e9f8da6b2086f73023af91247ecba1206a835999..5d2ec9c9083c8b60ade56a0fb709d5a1ed6f0a3a 100644
--- a/chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc
+++ b/chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.cc
@@ -213,12 +213,16 @@ void EnterpriseEnrollmentScreen::RegisterForDevicePolicy(
       g_browser_process->browser_policy_connector();
   if (!connector->device_cloud_policy_subsystem()) {
     LOG(ERROR) << "Cloud policy subsystem not initialized.";
-  } else if (connector->IsEnterpriseManaged()) {
-    LOG(ERROR) << "Device is already enterprise managed!";
   } else if (connector->device_cloud_policy_subsystem()->state() ==
       policy::CloudPolicySubsystem::SUCCESS) {
     LOG(ERROR) << "A previous enrollment already succeeded!";
   } else {
+    if (connector->IsEnterpriseManaged() &&
+        connector->GetEnterpriseDomain() !=
+            policy::EnterpriseInstallAttributes::ExtractDomainName(user_)) {
+      LOG(ERROR) << "Trying to re-enroll to a different domain than"
+                 << connector->GetEnterpriseDomain();
+    }
     // Make sure the device policy subsystem is in a clean slate.
     connector->ResetDevicePolicy();
     connector->ScheduleServiceInitialization(0);