Use content::RunBlockingPoolTask() in tests.

chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos_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 "chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos.h"
 
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/policy/enterprise_install_attributes.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/device_settings_test_helper.h"
 #include "chrome/test/base/scoped_testing_local_state.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chromeos/cryptohome/cryptohome_util.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_cryptohome_client.h"
+#include "content/public/test/test_utils.h"
 #include "policy/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 namespace {
 
 void CopyLockResult(base::RunLoop* loop,
                     EnterpriseInstallAttributes::LockResult* out,
                     EnterpriseInstallAttributes::LockResult result) {
@@ skipping 144 matching lines @@
   EXPECT_EQ(CloudPolicyStore::STATUS_VALIDATION_ERROR, store_->status());
   EXPECT_EQ(CloudPolicyValidatorBase::VALIDATION_BAD_SIGNATURE,
             store_->validation_status());
 }
 
 TEST_F(DeviceCloudPolicyStoreChromeOSTest, StoreKeyRotation) {
   PrepareExistingPolicy();
   device_policy_.SetDefaultNewSigningKey();
   device_policy_.Build();
   store_->Store(device_policy_.policy());
-  device_settings_test_helper_.FlushLoops();
+  content::RunAllBlockingPoolTasksUntilIdle();
   device_settings_test_helper_.FlushStore();
   owner_key_util_->SetPublicKeyFromPrivateKey(
       *device_policy_.GetNewSigningKey());
   ReloadDeviceSettings();
   ExpectSuccess();
 }
 
 TEST_F(DeviceCloudPolicyStoreChromeOSTest,
        StoreKeyRotationVerificationFailure) {
   PrepareExistingPolicy();
@@ skipping 73 matching lines @@
 
 TEST_F(DeviceCloudPolicyStoreChromeOSTest, InstallInitialPolicyNotEnterprise) {
   PrepareNewSigningKey();
   ResetToNonEnterprise();
   store_->InstallInitialPolicy(device_policy_.policy());
   FlushDeviceSettings();
   ExpectFailure(CloudPolicyStore::STATUS_BAD_STATE);
 }
 
 }  // namespace policy