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

components/proximity_auth/ble/fake_wire_message.h

 // 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.
 
 #ifndef COMPONENTS_PROXIMITY_AUTH_FAKE_WIRE_MESSAGE_H
 #define COMPONENTS_PROXIMITY_AUTH_FAKE_WIRE_MESSAGE_H
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-
 #include "components/proximity_auth/wire_message.h"
 
 namespace proximity_auth {
 
 class FakeWireMessage : public WireMessage {
  public:
   FakeWireMessage(const std::string& payload);
 
-  static scoped_ptr<FakeWireMessage> Deserialize(
+  static std::unique_ptr<FakeWireMessage> Deserialize(
       const std::string& serialized_message,
       bool* is_incomplete_message);
 
   std::string Serialize() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeWireMessage);
 };
 }
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_WIRE_MESSAGE_H