Convert //remoting to use std::unique_ptr

remoting/host/pairing_registry_delegate_linux.h

 // Copyright 2013 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 REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_
 #define REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_
 
 #include "remoting/protocol/pairing_registry.h"
 
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 
 namespace base {
 class ListValue;
 }  // namespace base
 
 namespace remoting {
 
 class PairingRegistryDelegateLinux
     : public protocol::PairingRegistry::Delegate {
  public:
   PairingRegistryDelegateLinux();
   ~PairingRegistryDelegateLinux() override;
 
   // PairingRegistry::Delegate interface
-  scoped_ptr<base::ListValue> LoadAll() override;
+  std::unique_ptr<base::ListValue> LoadAll() override;
   bool DeleteAll() override;
   protocol::PairingRegistry::Pairing Load(
       const std::string& client_id) override;
   bool Save(const protocol::PairingRegistry::Pairing& pairing) override;
   bool Delete(const std::string& client_id) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(PairingRegistryDelegateLinuxTest, SaveAndLoad);
   FRIEND_TEST_ALL_PREFIXES(PairingRegistryDelegateLinuxTest, Stateless);
 
   // Return the path to the directory to use for loading and saving paired
   // clients.
   base::FilePath GetRegistryPath();
 
   // For testing purposes, set the path returned by |GetRegistryPath()|.
   void SetRegistryPathForTesting(const base::FilePath& registry_path);
 
   base::FilePath registry_path_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(PairingRegistryDelegateLinux);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_