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

chrome/browser/chromeos/policy/blocking_login_browsertest.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 <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 63 matching lines @@
 }
 
 }  // namespace
 
 struct BlockingLoginTestParam {
   const int steps;
   const char* username;
   const bool enroll_device;
 };
 
+// TODO(atwilson): This test is completely broken - it originally was built
+// when we made an entirely different set of network calls on startup. As a
+// result it generates random failures in startup network requests, then waits
+// to see if the profile finishes loading which is not at all what it is
+// intended to test. We need to fix this test or remove it (crbug.com/580537).
 class BlockingLoginTest
     : public OobeBaseTest,
       public content::NotificationObserver,
       public testing::WithParamInterface<BlockingLoginTestParam> {
  public:
   BlockingLoginTest() : profile_added_(NULL) {
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     OobeBaseTest::SetUpCommandLine(command_line);
 
     command_line->AppendSwitchASCII(
         policy::switches::kDeviceManagementUrl,
         embedded_test_server()->GetURL("/device_management").spec());
+
+    command_line->AppendSwitch(
+        chromeos::switches::kAllowFailedPolicyFetchForTest);
   }
 
   void SetUpOnMainThread() override {
     registrar_.Add(this,
                    chrome::NOTIFICATION_PROFILE_ADDED,
                    content::NotificationService::AllSources());
 
     OobeBaseTest::SetUpOnMainThread();
   }
 
@@ skipping 212 matching lines @@
     {3, kUsernameOtherDomain, true},
     {4, kUsernameOtherDomain, true},
     {5, kUsernameOtherDomain, true},
 };
 
 INSTANTIATE_TEST_CASE_P(BlockingLoginTestInstance,
                         BlockingLoginTest,
                         testing::ValuesIn(kBlockinLoginTestCases));
 
 }  // namespace chromeos