Convert //components/proximity_auth from scoped_ptr to std::unique_ptr

components/proximity_auth/wire_message.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 COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
 #define COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace proximity_auth {
 
 class WireMessage {
  public:
   // Creates a WireMessage containing |payload|.
   explicit WireMessage(const std::string& payload);
 
   // Creates a WireMessage containing |payload| and |permit_id| in the metadata.
   WireMessage(const std::string& payload, const std::string& permit_id);
 
   virtual ~WireMessage();
 
   // Returns the deserialized message from |serialized_message|, or NULL if the
   // message is malformed. Sets |is_incomplete_message| to true if the message
   // does not have enough data to parse the header, or if the message length
   // encoded in the message header exceeds the size of the |serialized_message|.
-  static scoped_ptr<WireMessage> Deserialize(
+  static std::unique_ptr<WireMessage> Deserialize(
       const std::string& serialized_message,
       bool* is_incomplete_message);
 
   // Returns a serialized representation of |this| message.
   virtual std::string Serialize() const;
 
   const std::string& payload() const { return payload_; }
   const std::string& permit_id() const { return permit_id_; }
 
  private:
   // The message payload.
   const std::string payload_;
 
   // Identifier of the permit being used. A permit contains the credentials used
   // to authenticate a device. For example, when sending a WireMessage to the
   // remote device the |permit_id_| indexes a permit possibly containing the
   // public key
   // of the local device or a symmetric key shared between the devices.
   const std::string permit_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WireMessage);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H