Update the remaining references to sys_string_conversions.h to its new location.

device/bluetooth/bluetooth_socket_win.cc

 // Copyright (c) 2012 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/bluetooth/bluetooth_socket_win.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/sys_string_conversions.h"
+#include "base/strings/sys_string_conversions.h"
 #include "device/bluetooth/bluetooth_init_win.h"
 #include "device/bluetooth/bluetooth_service_record_win.h"
 #include "net/base/io_buffer.h"
 #include "net/base/winsock_init.h"
 
 namespace {
 
 std::string FormatErrorMessage(DWORD error_code) {
   TCHAR error_msg[1024];
   FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
@@ skipping 84 matching lines @@
     return false;
   }
   return true;
 }
 
 std::string BluetoothSocketWin::GetLastErrorMessage() const {
   return error_message_;
 }
 
 }  // namespace device