Convert device to std::unique_ptr

device/usb/usb_device.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_DEVICE_H_
 #define DEVICE_USB_USB_DEVICE_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "device/usb/usb_descriptors.h"
 #include "url/gurl.h"
@@ skipping 81 matching lines @@
   virtual ~UsbDevice();
 
   void NotifyDeviceRemoved();
 
   // These members must be mutable by subclasses as necessary during device
   // enumeration. To preserve the thread safety of this object they must remain
   // constant afterwards.
   base::string16 manufacturer_string_;
   base::string16 product_string_;
   base::string16 serial_number_;
-  scoped_ptr<WebUsbAllowedOrigins> webusb_allowed_origins_;
+  std::unique_ptr<WebUsbAllowedOrigins> webusb_allowed_origins_;
   GURL webusb_landing_page_;
 
   // All of the device's configuration descriptors.
   std::vector<UsbConfigDescriptor> configurations_;
 
  private:
   friend class base::RefCountedThreadSafe<UsbDevice>;
 
   const std::string guid_;
   const uint16_t usb_version_;
   const uint8_t device_class_;
   const uint8_t device_subclass_;
   const uint8_t device_protocol_;
   const uint16_t vendor_id_;
   const uint16_t product_id_;
   const uint16_t device_version_;
 
   base::ObserverList<Observer, true> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(UsbDevice);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_USB_USB_DEVICE_H_