Remove use of deprecated MessageLoop methods in components.

components/pairing/fake_host_pairing_controller.cc

 // Copyright 2014 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/pairing/fake_host_pairing_controller.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <vector>
 
 #include "base/bind.h"
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
+#include "base/threading/thread_task_runner_handle.h"
 
 namespace {
 
 const int kDefaultAsyncDurationMs = 3000;
 const size_t kCodeLength = 6;
 
 }  // namespace
 
 namespace pairing_chromeos {
 
@@ skipping 47 matching lines @@
 }
 
 void FakeHostPairingController::ChangeStage(Stage new_stage) {
   if (current_stage_ == new_stage)
     return;
   current_stage_ = new_stage;
   FOR_EACH_OBSERVER(Observer, observers_, PairingStageChanged(new_stage));
 }
 
 void FakeHostPairingController::ChangeStageLater(Stage new_stage) {
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&FakeHostPairingController::ChangeStage,
-                 base::Unretained(this),
-                 new_stage),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&FakeHostPairingController::ChangeStage,
+                            base::Unretained(this), new_stage),
       async_duration_);
 }
 
 void FakeHostPairingController::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void FakeHostPairingController::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
@@ skipping 76 matching lines @@
     }
     case STAGE_ENROLLMENT_SUCCESS: {
       ChangeStageLater(STAGE_FINISHED);
       break;
     }
     default: { break; }
   }
 }
 
 }  // namespace pairing_chromeos