Mojo C++ bindings: switch device/serial mojom target to use STL types.

device/serial/serial_device_enumerator_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_device_enumerator_win.h"
 
 #include <devguid.h>
 #include <setupapi.h>
 #include <stdint.h>
 #include <windows.h>
@@ skipping 95 matching lines @@
         !GetCOMPort(friendly_name, &com_port))
       // In Windows, the COM port is the path used to uniquely identify the
       // serial device. If the COM can't be found, ignore the device.
       continue;
 
     serial::DeviceInfoPtr info(serial::DeviceInfo::New());
     info->path = com_port;
 
     std::string display_name;
     if (GetDisplayName(friendly_name, &display_name))
-      info->display_name = display_name;
+      info->display_name = std::move(display_name);
 
     std::string hardware_id;
     // SPDRP_HARDWAREID looks like "FTDIBUS\COMPORT&VID_0403&PID_6001".
     if (GetProperty(dev_info, dev_info_data, SPDRP_HARDWAREID, &hardware_id)) {
       uint32_t vendor_id, product_id;
       if (GetVendorID(hardware_id, &vendor_id)) {
         info->has_vendor_id = true;
         info->vendor_id = vendor_id;
       }
       if (GetProductID(hardware_id, &product_id)) {
@@ skipping 58 matching lines @@
   }
 
   mojo::Array<mojo::String> paths;
   mojo::Array<serial::DeviceInfoPtr> devices;
   deviceMap.DecomposeMapTo(&paths, &devices);
 
   return devices;
 }
 
 }  // namespace device