Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/chromeos/policy/user_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/user_cloud_policy_store_chromeos.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
+#include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chromeos/dbus/mock_cryptohome_client.h"
 #include "chromeos/dbus/mock_session_manager_client.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "components/policy/core/common/cloud/mock_cloud_policy_store.h"
 #include "components/policy/core/common/cloud/policy_builder.h"
 #include "components/policy/core/common/policy_types.h"
 #include "policy/policy_constants.h"
 #include "policy/proto/cloud_policy.pb.h"
 #include "policy/proto/device_management_local.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 14 matching lines @@
 
 namespace {
 
 const char kLegacyDeviceId[] = "legacy-device-id";
 const char kLegacyToken[] = "legacy-token";
 const char kSanitizedUsername[] =
     "0123456789ABCDEF0123456789ABCDEF012345678@example.com";
 const char kDefaultHomepage[] = "http://chromium.org";
 
 ACTION_P2(SendSanitizedUsername, call_status, sanitized_username) {
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(arg1, call_status, sanitized_username));
 }
 
 class UserCloudPolicyStoreChromeOSTest : public testing::Test {
  protected:
   UserCloudPolicyStoreChromeOSTest() {}
 
   void SetUp() override {
     EXPECT_CALL(cryptohome_client_, GetSanitizedUsername(cryptohome_id_, _))
         .Times(AnyNumber())
@@ skipping 599 matching lines @@
   Mock::VerifyAndClearExpectations(&cryptohome_client_);
 
   EXPECT_FALSE(store_->policy());
   EXPECT_TRUE(store_->policy_map().empty());
   EXPECT_EQ(CloudPolicyStore::STATUS_VALIDATION_ERROR, store_->status());
 }
 
 }  // namespace
 
 }  // namespace policy