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

device/serial/serial_device_enumerator_mac.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_mac.h"
 
 #include <IOKit/serial/IOSerialKeys.h>
 #include <IOKit/usb/IOUSBLib.h>
 #include <stdint.h>
 
@@ skipping 119 matching lines @@
     uint16_t productId;
     if (GetUInt16Property(scoped_device.get(), CFSTR(kUSBProductID),
                           &productId)) {
       callout_info->has_product_id = true;
       callout_info->product_id = productId;
     }
 
     mojo::String displayName;
     if (GetStringProperty(scoped_device.get(), CFSTR(kUSBProductString),
                           &displayName)) {
-      callout_info->display_name = displayName;
+      callout_info->display_name = displayName.PassStorage();
     }
 
     // Each serial device has two "paths" in /dev/ associated with it: a
     // "dialin" path starting with "tty" and a "callout" path starting with
     // "cu". Each of these is considered a different device from Chrome's
     // standpoint, but both should share the device's USB properties.
     mojo::String dialinDevice;
     if (GetStringProperty(scoped_device.get(), CFSTR(kIODialinDeviceKey),
                           &dialinDevice)) {
       serial::DeviceInfoPtr dialin_info = callout_info.Clone();
@@ skipping 84 matching lines @@
   }
 
   mojo::Array<mojo::String> paths;
   mojo::Array<serial::DeviceInfoPtr> devices;
   deviceMap.DecomposeMapTo(&paths, &devices);
 
   return devices;
 }
 
 }  // namespace device