components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/policy/core/common/cloud/cloud_policy_validator.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 "components/policy/core/common/cloud/cloud_policy_validator.h"
 
 #include "base/bind_helpers.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "crypto/signature_verifier.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "policy/proto/device_management_backend.pb.h"
 
 namespace em = enterprise_management;
 
 namespace policy {
 
 namespace {
@@ skipping 155 matching lines @@
       canonicalize_user_(false),
       allow_key_rotation_(false),
       background_task_runner_(background_task_runner) {}
 
 void CloudPolicyValidatorBase::PostValidationTask(
     const base::Closure& completion_callback) {
   background_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CloudPolicyValidatorBase::PerformValidation,
                  base::Passed(scoped_ptr<CloudPolicyValidatorBase>(this)),
-                 base::MessageLoop::current()->message_loop_proxy(),
-                 completion_callback));
+                 base::ThreadTaskRunnerHandle::Get(), completion_callback));
 }
 
 // static
 void CloudPolicyValidatorBase::PerformValidation(
     scoped_ptr<CloudPolicyValidatorBase> self,
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     const base::Closure& completion_callback) {
   // Run the validation activities on this thread.
   self->RunValidation();
 
@@ skipping 349 matching lines @@
   return verifier.VerifyFinal();
 }
 
 template class CloudPolicyValidator<em::CloudPolicySettings>;
 
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 template class CloudPolicyValidator<em::ExternalPolicyData>;
 #endif
 
 }  // namespace policy