Abandon user sign in when policy is retrieved before session started.

chrome/browser/chromeos/settings/session_manager_operation.cc

Index: chrome/browser/chromeos/settings/session_manager_operation.cc
diff --git a/chrome/browser/chromeos/settings/session_manager_operation.cc b/chrome/browser/chromeos/settings/session_manager_operation.cc
index ed847589209fa0736305c5404076c0db125bdf0a..424198f02f664f4b9331c04d2654e63f49feb2dd 100644
--- a/chrome/browser/chromeos/settings/session_manager_operation.cc
+++ b/chrome/browser/chromeos/settings/session_manager_operation.cc
@@ -23,6 +23,8 @@
 #include "crypto/rsa_private_key.h"
 #include "crypto/signature_creator.h"
 
+using RetrievePolicyResponseType =
+    chromeos::SessionManagerClient::RetrievePolicyResponseType;
 using ownership::OwnerKeyUtil;
 using ownership::PublicKey;
 
@@ -138,12 +140,15 @@ void SessionManagerOperation::RetrieveDeviceSettings() {
 }
 
 void SessionManagerOperation::BlockingRetrieveDeviceSettings() {
-  ValidateDeviceSettings(
-      session_manager_client()->BlockingRetrieveDevicePolicy());
+  std::string policy_blob;
+  RetrievePolicyResponseType response =
+      session_manager_client()->BlockingRetrieveDevicePolicy(&policy_blob);
+  ValidateDeviceSettings(policy_blob, response);
 }
 
 void SessionManagerOperation::ValidateDeviceSettings(
-    const std::string& policy_blob) {
+    const std::string& policy_blob,
+    RetrievePolicyResponseType response_type) {
   std::unique_ptr<em::PolicyFetchResponse> policy(
       new em::PolicyFetchResponse());
   if (policy_blob.empty()) {
@@ -151,8 +156,7 @@ void SessionManagerOperation::ValidateDeviceSettings(
     return;
   }
 
-  if (!policy->ParseFromString(policy_blob) ||
-      !policy->IsInitialized()) {
+  if (!policy->ParseFromString(policy_blob) || !policy->IsInitialized()) {
     ReportResult(DeviceSettingsService::STORE_INVALID_POLICY);
     return;
   }