Make operators on scoped_ptr match the ones defined for std::unique_ptr

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 <windows.h>
 
 #include "device/serial/serial_io_handler_win.h"
 
 namespace device {
 
@@ skipping 264 matching lines @@
 }
 
 SerialIoHandlerWin::~SerialIoHandlerWin() {
 }
 
 void SerialIoHandlerWin::OnIOCompleted(
     base::MessageLoopForIO::IOContext* context,
     DWORD bytes_transferred,
     DWORD error) {
   DCHECK(CalledOnValidThread());
-  if (context == comm_context_) {
+  if (context == comm_context_.get()) {
     DWORD errors;
     COMSTAT status;
     if (!ClearCommError(file().GetPlatformFile(), &errors, &status) ||
         errors != 0) {
       if (errors & CE_BREAK) {
         ReadCompleted(0, serial::RECEIVE_ERROR_BREAK);
       } else if (errors & CE_FRAME) {
         ReadCompleted(0, serial::RECEIVE_ERROR_FRAME_ERROR);
       } else if (errors & CE_OVERRUN) {
         ReadCompleted(0, serial::RECEIVE_ERROR_OVERRUN);
@@ skipping 15 matching lines @@
       BOOL ok = ::ReadFile(file().GetPlatformFile(),
                            pending_read_buffer(),
                            pending_read_buffer_len(),
                            NULL,
                            &read_context_->overlapped);
       if (!ok && GetLastError() != ERROR_IO_PENDING) {
         VPLOG(1) << "Read failed";
         ReadCompleted(0, serial::RECEIVE_ERROR_SYSTEM_ERROR);
       }
     }
-  } else if (context == read_context_) {
+  } else if (context == read_context_.get()) {
     if (read_canceled()) {
       ReadCompleted(bytes_transferred, read_cancel_reason());
     } else if (error != ERROR_SUCCESS && error != ERROR_OPERATION_ABORTED) {
       ReadCompleted(0, serial::RECEIVE_ERROR_SYSTEM_ERROR);
     } else {
       ReadCompleted(bytes_transferred,
                     error == ERROR_SUCCESS
                         ? serial::RECEIVE_ERROR_NONE
                         : serial::RECEIVE_ERROR_SYSTEM_ERROR);
     }
-  } else if (context == write_context_) {
+  } else if (context == write_context_.get()) {
     DCHECK(pending_write_buffer());
     if (write_canceled()) {
       WriteCompleted(0, write_cancel_reason());
     } else if (error != ERROR_SUCCESS && error != ERROR_OPERATION_ABORTED) {
       WriteCompleted(0, serial::SEND_ERROR_SYSTEM_ERROR);
       if (error == ERROR_GEN_FAILURE && IsReadPending()) {
         // For devices using drivers such as FTDI, CP2xxx, when device is
         // disconnected, the context is comm_context_ and the error is
         // ERROR_OPERATION_ABORTED.
         // However, for devices using CDC-ACM driver, when device is
@@ skipping 91 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