Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/chromeos/attestation/attestation_policy_browsertest.cc

 // Copyright 2013 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 "base/bind.h"
+#include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/platform_thread.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/attestation/platform_verification_flow.h"
 #include "chrome/browser/chromeos/policy/device_policy_builder.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chromeos/dbus/fake_cryptohome_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using chromeos::attestation::PlatformVerificationFlow;
 
 namespace policy {
 
 class CustomFakeCryptohomeClient : public chromeos::FakeCryptohomeClient {
  public:
   void TpmAttestationIsEnrolled(
       const chromeos::BoolDBusMethodCallback& callback) override {
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(callback, chromeos::DBUS_METHOD_CALL_FAILURE, false));
   }
 };
 
 class AttestationDevicePolicyTest
     : public DevicePolicyCrosBrowserTest,
       public chromeos::DeviceSettingsService::Observer {
  public:
     // DeviceSettingsService::Observer
@@ skipping 75 matching lines @@
             SyncContentProtectionAttestation());
 
   GetDevicePolicyProto()->set_content_protection_enabled(true);
   SyncRefreshDevicePolicy();
 
   EXPECT_NE(PlatformVerificationFlow::POLICY_REJECTED,
             SyncContentProtectionAttestation());
 }
 
 } // namespace policy