Move off of deprecated base::NonThreadSafe in device/

device/serial/serial_io_handler_win.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 "device/serial/serial_io_handler_win.h"
 
 #define INITGUID
 #include <devpkey.h>
 #include <setupapi.h>
 #include <windows.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/scoped_observer.h"
-#include "base/threading/thread_checker.h"
+#include "base/sequence_checker.h"
 #include "device/base/device_info_query_win.h"
 #include "device/base/device_monitor_win.h"
 #include "third_party/re2/src/re2/re2.h"
 
 namespace device {
 
 namespace {
 
 int BitrateToSpeedConstant(int bitrate) {
 #define BITRATE_TO_SPEED_CASE(x) \
@@ skipping 163 matching lines @@
   ScopedObserver<DeviceMonitorWin, DeviceMonitorWin::Observer> device_observer_;
 
   // This weak pointer is only valid when checked on this task runner.
   base::WeakPtr<SerialIoHandlerWin> io_handler_;
   scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(UiThreadHelper);
 };
 
 void SerialIoHandlerWin::OnDeviceRemoved(const std::string& device_path) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
 
   DeviceInfoQueryWin device_info_query;
   if (!device_info_query.device_info_list_valid()) {
     DVPLOG(1) << "Failed to create a device information set";
     return;
   }
 
   // This will add the device so we can query driver info.
   if (!device_info_query.AddDevice(device_path)) {
     DVPLOG(1) << "Failed to get device interface data for " << device_path;
@@ skipping 49 matching lines @@
   timeouts.ReadIntervalTimeout = MAXDWORD;
   if (!::SetCommTimeouts(file().GetPlatformFile(), &timeouts)) {
     VPLOG(1) << "Failed to set serial timeouts";
     return false;
   }
 
   return true;
 }
 
 void SerialIoHandlerWin::ReadImpl() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   DCHECK(pending_read_buffer());
   DCHECK(file().IsValid());
 
   if (!SetCommMask(file().GetPlatformFile(), EV_RXCHAR)) {
     VPLOG(1) << "Failed to set serial event flags";
   }
 
   event_mask_ = 0;
   BOOL ok = ::WaitCommEvent(
       file().GetPlatformFile(), &event_mask_, &comm_context_->overlapped);
   if (!ok && GetLastError() != ERROR_IO_PENDING) {
     VPLOG(1) << "Failed to receive serial event";
     QueueReadCompleted(0, serial::ReceiveError::SYSTEM_ERROR);
   }
   is_comm_pending_ = true;
 }
 
 void SerialIoHandlerWin::WriteImpl() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   DCHECK(pending_write_buffer());
   DCHECK(file().IsValid());
 
   BOOL ok = ::WriteFile(file().GetPlatformFile(),
                         pending_write_buffer(),
                         pending_write_buffer_len(),
                         NULL,
                         &write_context_->overlapped);
   if (!ok && GetLastError() != ERROR_IO_PENDING) {
     VPLOG(1) << "Write failed";
     QueueWriteCompleted(0, serial::SendError::SYSTEM_ERROR);
   }
 }
 
 void SerialIoHandlerWin::CancelReadImpl() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   DCHECK(file().IsValid());
   ::CancelIo(file().GetPlatformFile());
 }
 
 void SerialIoHandlerWin::CancelWriteImpl() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   DCHECK(file().IsValid());
   ::CancelIo(file().GetPlatformFile());
 }
 
 bool SerialIoHandlerWin::ConfigurePortImpl() {
   DCB config = {0};
   config.DCBlength = sizeof(config);
   if (!GetCommState(file().GetPlatformFile(), &config)) {
     VPLOG(1) << "Failed to get serial port info";
     return false;
@@ skipping 47 matching lines @@
       weak_factory_(this) {}
 
 SerialIoHandlerWin::~SerialIoHandlerWin() {
   ui_thread_task_runner()->DeleteSoon(FROM_HERE, helper_);
 }
 
 void SerialIoHandlerWin::OnIOCompleted(
     base::MessageLoopForIO::IOContext* context,
     DWORD bytes_transferred,
     DWORD error) {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   if (context == comm_context_.get()) {
     DWORD errors;
     COMSTAT status;
     if (!ClearCommError(file().GetPlatformFile(), &errors, &status) ||
         errors != 0) {
       if (errors & CE_BREAK) {
         ReadCompleted(0, serial::ReceiveError::BREAK);
       } else if (errors & CE_FRAME) {
         ReadCompleted(0, serial::ReceiveError::FRAME_ERROR);
       } else if (errors & CE_OVERRUN) {
@@ skipping 139 matching lines @@
 std::string SerialIoHandler::MaybeFixUpPortName(const std::string& port_name) {
   // For COM numbers less than 9, CreateFile is called with a string such as
   // "COM1". For numbers greater than 9, a prefix of "\\\\.\\" must be added.
   if (port_name.length() > std::string("COM9").length())
     return std::string("\\\\.\\").append(port_name);
 
   return port_name;
 }
 
 }  // namespace device