[device] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

device/serial/serial_connection_unittest.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 <string>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_piece.h"
@@ skipping 52 matching lines @@
         expected_event_(EVENT_NONE) {}
 
   void SetUp() override {
     message_loop_.reset(new base::MessageLoop);
     mojo::InterfacePtr<serial::SerialService> service;
     mojo::BindToProxy(
         new SerialServiceImpl(
             new SerialConnectionFactory(
                 base::Bind(&SerialConnectionTest::CreateIoHandler,
                            base::Unretained(this)),
-                base::MessageLoopProxy::current()),
+                base::ThreadTaskRunnerHandle::Get()),
             scoped_ptr<SerialDeviceEnumerator>(new FakeSerialDeviceEnumerator)),
         &service);
     service.set_error_handler(this);
     mojo::InterfacePtr<serial::DataSink> sink;
     mojo::InterfacePtr<serial::DataSource> source;
     mojo::InterfacePtr<serial::DataSourceClient> source_client;
     mojo::InterfaceRequest<serial::DataSourceClient> source_client_request =
         mojo::GetProxy(&source_client);
     service->Connect("device", serial::ConnectionOptions::New(),
                      mojo::GetProxy(&connection_), mojo::GetProxy(&sink),
@@ skipping 241 matching lines @@
   WaitForEvent(EVENT_DATA_SENT);
   EXPECT_EQ(serial::SEND_ERROR_NONE, send_error_);
   EXPECT_EQ(4, bytes_sent_);
   ASSERT_NO_FATAL_FAILURE(Receive());
   WaitForEvent(EVENT_DATA_RECEIVED);
   EXPECT_EQ("data", data_received_);
   EXPECT_EQ(serial::RECEIVE_ERROR_NONE, receive_error_);
 }
 
 }  // namespace device