components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/proximity_auth/bluetooth_connection.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.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/numerics/safe_conversions.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/proximity_auth/remote_device.h"
 #include "components/proximity_auth/wire_message.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "net/base/io_buffer.h"
 
 namespace proximity_auth {
 namespace {
 const int kReceiveBufferSizeBytes = 1024;
 }
@@ skipping 142 matching lines @@
   Disconnect();
 }
 
 void BluetoothConnection::OnReceive(int bytes_received,
                                     scoped_refptr<net::IOBuffer> buffer) {
   VLOG(1) << "[BC] Received " << bytes_received << " bytes.";
   OnBytesReceived(std::string(buffer->data(), bytes_received));
 
   // Post a task to delay the read until the socket is available, as
   // calling StartReceive at this point would error with ERR_IO_PENDING.
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&BluetoothConnection::StartReceive,
-                 weak_ptr_factory_.GetWeakPtr()));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&BluetoothConnection::StartReceive,
+                            weak_ptr_factory_.GetWeakPtr()));
 }
 
 void BluetoothConnection::OnReceiveError(
     device::BluetoothSocket::ErrorReason error_reason,
     const std::string& error_message) {
   VLOG(1) << "[BC] Error receiving bytes: " << error_message;
 
   // Post a task to delay the read until the socket is available, as
   // calling StartReceive at this point would error with ERR_IO_PENDING.
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&BluetoothConnection::StartReceive,
-                 weak_ptr_factory_.GetWeakPtr()));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&BluetoothConnection::StartReceive,
+                            weak_ptr_factory_.GetWeakPtr()));
 }
 
 }  // namespace proximity_auth