Chromad: Allow offline login.

chromeos/login/auth/authpolicy_login_helper.cc

Index: chromeos/login/auth/authpolicy_login_helper.cc
diff --git a/chromeos/login/auth/authpolicy_login_helper.cc b/chromeos/login/auth/authpolicy_login_helper.cc
index 263cb96c6c97a07f29168302f693f0c003ccb949..19a1bbb05a81912b659351fd82e9e7c0e4cf1e2f 100644
--- a/chromeos/login/auth/authpolicy_login_helper.cc
+++ b/chromeos/login/auth/authpolicy_login_helper.cc
@@ -30,6 +30,12 @@ base::ScopedFD GetDataReadPipe(const std::string& data) {
   return pipe_read_end;
 }
 
+void AuthCallbackDoNothing(
+    authpolicy::ErrorType /* error */,
+    const authpolicy::ActiveDirectoryAccountData& /* account_data */) {
+  // Do nothing.
+}
+
 }  // namespace
 
 AuthPolicyLoginHelper::AuthPolicyLoginHelper() : weak_factory_(this) {}
@@ -46,15 +52,24 @@ void AuthPolicyLoginHelper::JoinAdDomain(const std::string& machine_name,
 }
 
 void AuthPolicyLoginHelper::AuthenticateUser(const std::string& username,
+                                             const std::string& object_guid,
                                              const std::string& password,
                                              AuthCallback callback) {
   DCHECK(!weak_factory_.HasWeakPtrs()) << "Another operation is in progress";
   chromeos::DBusThreadManager::Get()->GetAuthPolicyClient()->AuthenticateUser(
-      username, GetDataReadPipe(password).get(),
+      username, object_guid, GetDataReadPipe(password).get(),
       base::BindOnce(&AuthPolicyLoginHelper::OnAuthCallback,
                      weak_factory_.GetWeakPtr(), base::Passed(&callback)));
 }
 
+void AuthPolicyLoginHelper::TryAuthenticateUser(const std::string& username,
+                                                const std::string& object_guid,
+                                                const std::string& password) {
+  chromeos::DBusThreadManager::Get()->GetAuthPolicyClient()->AuthenticateUser(
+      username, object_guid, GetDataReadPipe(password).get(),
+      base::BindOnce(&AuthCallbackDoNothing));
+}
+
 void AuthPolicyLoginHelper::CancelRequestsAndRestart() {
   weak_factory_.InvalidateWeakPtrs();
   chromeos::DBusThreadManager::Get()