Reland: No longer start up profile if there was an error fetching policy.

chrome/browser/chromeos/policy/affiliation_test_helper.cc

 // Copyright 2015 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/policy/affiliation_test_helper.h"
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
@@ skipping 115 matching lines @@
        it != logged_users.end(); ++it) {
     if ((*it)->email() == user_context.GetAccountId().GetUserEmail())
       return;
   }
   ADD_FAILURE() << user_id << " was not added via PreLoginUser()";
 }
 
 void AppendCommandLineSwitchesForLoginManager(base::CommandLine* command_line) {
   command_line->AppendSwitch(chromeos::switches::kLoginManager);
   command_line->AppendSwitch(chromeos::switches::kForceLoginManagerInTests);
+  // LoginManager tests typically don't stand up a policy test server but
+  // instead inject policies directly through a SessionManagerClient. So allow
+  // policy fetches to fail - this is expected.
+  command_line->AppendSwitch(
+      chromeos::switches::kAllowFailedPolicyFetchForTest);
 }
 
 }  // namespace affiliation_test_helper
 
 }  // namespace policy