Make NSSCertDatabase::ListCerts work async on a worker thread.

chromeos/network/network_connection_handler_unittest.cc

 // Copyright (c) 2012 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 "chromeos/network/network_connection_handler.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 42 matching lines @@
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(user_.constructed_successfully());
     user_.FinishInit();
 
     test_nssdb_.reset(new net::NSSCertDatabaseChromeOS(
         crypto::GetPublicSlotForChromeOSUser(user_.username_hash()),
         crypto::GetPrivateSlotForChromeOSUser(
             user_.username_hash(),
             base::Callback<void(crypto::ScopedPK11Slot)>())));
+    test_nssdb_->SetSlowTaskRunnerForTest(message_loop_.message_loop_proxy());
 
     TPMTokenLoader::InitializeForTest();
 
     CertLoader::Initialize();
     CertLoader* cert_loader = CertLoader::Get();
-    cert_loader->SetSlowTaskRunnerForTest(message_loop_.message_loop_proxy());
     cert_loader->force_hardware_backed_for_test();
 
     // Initialize DBusThreadManager with a stub implementation.
     DBusThreadManager::InitializeWithStub();
     base::RunLoop().RunUntilIdle();
     DBusThreadManager::Get()->GetShillServiceClient()->GetTestInterface()
         ->ClearServices();
     base::RunLoop().RunUntilIdle();
     LoginState::Initialize();
     network_state_handler_.reset(NetworkStateHandler::InitializeForTest());
@@ skipping 243 matching lines @@
   Connect("no-network");
   EXPECT_EQ(NetworkConnectionHandler::kErrorConfigureFailed,
             GetResultAndReset());
 
   EXPECT_TRUE(Configure(kConfigConnectable));
   Disconnect("wifi0");
   EXPECT_EQ(NetworkConnectionHandler::kErrorNotConnected, GetResultAndReset());
 }
 
 }  // namespace chromeos