Convert //remoting to use std::unique_ptr

remoting/host/native_messaging/native_messaging_pipe.cc

 // 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.
 
 #include "remoting/host/native_messaging/native_messaging_pipe.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/values.h"
 
 namespace remoting {
 
 NativeMessagingPipe::NativeMessagingPipe() {}
 NativeMessagingPipe::~NativeMessagingPipe() {}
 
 void NativeMessagingPipe::Start(
-    scoped_ptr<extensions::NativeMessageHost> host,
-    scoped_ptr<extensions::NativeMessagingChannel> channel) {
+    std::unique_ptr<extensions::NativeMessageHost> host,
+    std::unique_ptr<extensions::NativeMessagingChannel> channel) {
   host_ = std::move(host);
   channel_ = std::move(channel);
   channel_->Start(this);
 }
 
-void NativeMessagingPipe::OnMessage(scoped_ptr<base::Value> message) {
+void NativeMessagingPipe::OnMessage(std::unique_ptr<base::Value> message) {
   std::string message_json;
   base::JSONWriter::Write(*message, &message_json);
   host_->OnMessage(message_json);
 }
 
 void NativeMessagingPipe::OnDisconnect() {
   host_.reset();
   channel_.reset();
 }
 
 void NativeMessagingPipe::PostMessageFromNativeHost(
     const std::string& message) {
-  scoped_ptr<base::Value> json = base::JSONReader::Read(message);
+  std::unique_ptr<base::Value> json = base::JSONReader::Read(message);
   channel_->SendMessage(std::move(json));
 }
 
 void NativeMessagingPipe::CloseChannel(const std::string& error_message) {
   host_.reset();
   channel_.reset();
 }
 
 }  // namespace remoting