Convert device to std::unique_ptr

device/usb/usb_service.h

 // 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.
 
 #ifndef DEVICE_USB_USB_SERVICE_H_
 #define DEVICE_USB_USB_SERVICE_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace device {
 
 class UsbDevice;
@@ skipping 18 matching lines @@
     // For observers that need to process device removal after others have run.
     // Should not depend on any other service's knowledge of connected devices.
     virtual void OnDeviceRemovedCleanup(scoped_refptr<UsbDevice> device);
 
     // Notifies the observer that the UsbService it depends on is shutting down.
     virtual void WillDestroyUsbService();
   };
 
   // The file task runner reference is used for blocking I/O operations.
   // Returns nullptr when initialization fails.
-  static scoped_ptr<UsbService> Create(
+  static std::unique_ptr<UsbService> Create(
       scoped_refptr<base::SequencedTaskRunner> blocking_task_runner);
 
   virtual ~UsbService();
 
   virtual scoped_refptr<UsbDevice> GetDevice(const std::string& guid) = 0;
 
   // Enumerates available devices.
   virtual void GetDevices(const GetDevicesCallback& callback) = 0;
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
  protected:
   UsbService();
 
   void NotifyDeviceAdded(scoped_refptr<UsbDevice> device);
   void NotifyDeviceRemoved(scoped_refptr<UsbDevice> device);
 
   base::ObserverList<Observer, true> observer_list_;
 
  private:
   friend void base::DeletePointer<UsbService>(UsbService* service);
 
   DISALLOW_COPY_AND_ASSIGN(UsbService);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_USB_USB_SERVICE_H_