Convert device to std::unique_ptr

device/usb/usb_service.cc

 // Copyright 2015 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/usb/usb_service.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "components/device_event_log/device_event_log.h"
 #include "device/usb/usb_device.h"
 
 #if defined(OS_ANDROID)
 #include "device/usb/usb_service_android.h"
 #else
 #include "device/usb/usb_service_impl.h"
 #endif
 
 namespace device {
 
 UsbService::Observer::~Observer() {}
 
 void UsbService::Observer::OnDeviceAdded(scoped_refptr<UsbDevice> device) {
 }
 
 void UsbService::Observer::OnDeviceRemoved(scoped_refptr<UsbDevice> device) {
 }
 
 void UsbService::Observer::OnDeviceRemovedCleanup(
     scoped_refptr<UsbDevice> device) {
 }
 
 void UsbService::Observer::WillDestroyUsbService() {}
 
 // static
-scoped_ptr<UsbService> UsbService::Create(
+std::unique_ptr<UsbService> UsbService::Create(
     scoped_refptr<base::SequencedTaskRunner> blocking_task_runner) {
 #if defined(OS_ANDROID)
-  return make_scoped_ptr(new UsbServiceAndroid());
+  return base::WrapUnique(new UsbServiceAndroid());
 #else
-  return make_scoped_ptr(new UsbServiceImpl(blocking_task_runner));
+  return base::WrapUnique(new UsbServiceImpl(blocking_task_runner));
 #endif
 }
 
 UsbService::~UsbService() {
   FOR_EACH_OBSERVER(Observer, observer_list_, WillDestroyUsbService());
 }
 
 UsbService::UsbService() {}
 
 void UsbService::AddObserver(Observer* observer) {
@@ skipping 14 matching lines @@
 
 void UsbService::NotifyDeviceRemoved(scoped_refptr<UsbDevice> device) {
   DCHECK(CalledOnValidThread());
 
   FOR_EACH_OBSERVER(Observer, observer_list_, OnDeviceRemoved(device));
   device->NotifyDeviceRemoved();
   FOR_EACH_OBSERVER(Observer, observer_list_, OnDeviceRemovedCleanup(device));
 }
 
 }  // namespace device