components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/proximity_auth/bluetooth_connection_finder.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/proximity_auth/bluetooth_connection_finder.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/proximity_auth/bluetooth_connection.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 
 using device::BluetoothAdapter;
 
 namespace proximity_auth {
 
 BluetoothConnectionFinder::BluetoothConnectionFinder(
     const RemoteDevice& remote_device,
     const device::BluetoothUUID& uuid,
@@ skipping 106 matching lines @@
   if (connection_->IsConnected()) {
     base::TimeDelta elapsed = base::TimeTicks::Now() - start_time_;
     VLOG(1) << "[BCF] Connection found! Elapsed Time: "
             << elapsed.InMilliseconds() << "ms.";
     UnregisterAsObserver();
     connection_callback_.Run(connection_.Pass());
   } else if (old_status == Connection::IN_PROGRESS) {
     VLOG(1) << "[BCF] Connection failed! Scheduling another polling iteration.";
     connection_.reset();
     has_delayed_poll_scheduled_ = true;
-    base::MessageLoopProxy::current()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&BluetoothConnectionFinder::DelayedPollIfReady,
-                   weak_ptr_factory_.GetWeakPtr()),
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, base::Bind(&BluetoothConnectionFinder::DelayedPollIfReady,
+                              weak_ptr_factory_.GetWeakPtr()),
         polling_interval_);
   }
 }
 
 }  // namespace proximity_auth