Convert //remoting to use std::unique_ptr

remoting/host/native_messaging/native_messaging_reader.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_NATIVE_MESSAGING_NATIVE_MESSAGING_READER_H_
 #define REMOTING_HOST_NATIVE_MESSAGING_NATIVE_MESSAGING_READER_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/files/file.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread.h"
 
 namespace base {
 class SequencedTaskRunner;
 class Value;
 }  // namespace base
 
 namespace remoting {
 
 // This class is used for reading messages from the Native Messaging client
 // webapp.
 class NativeMessagingReader {
  public:
-  typedef base::Callback<void(scoped_ptr<base::Value>)> MessageCallback;
+  typedef base::Callback<void(std::unique_ptr<base::Value>)> MessageCallback;
 
   explicit NativeMessagingReader(base::File file);
   ~NativeMessagingReader();
 
   // Begin reading messages from the Native Messaging client webapp, calling
   // |message_callback| for each received message, or |eof_callback| if
   // EOF or error is encountered. This method is asynchronous - the callbacks
   // will be run on the same thread via PostTask. The caller should be prepared
   // for these callbacks to be invoked right up until this object is destroyed.
   void Start(MessageCallback message_callback, base::Closure eof_callback);
 
  private:
   class Core;
   friend class Core;
 
   // Wrappers posted to by the read thread to trigger the message and EOF
   // callbacks on the caller thread, and have them safely dropped if the reader
   // has been deleted before they are processed.
-  void InvokeMessageCallback(scoped_ptr<base::Value> message);
+  void InvokeMessageCallback(std::unique_ptr<base::Value> message);
   void InvokeEofCallback();
 
   // Holds the information that the read thread needs to access, such as the
   // File, and the TaskRunner used for posting notifications back to this
   // class.
-  scoped_ptr<Core> core_;
+  std::unique_ptr<Core> core_;
 
   // Caller-supplied message and end-of-file callbacks.
   MessageCallback message_callback_;
   base::Closure eof_callback_;
 
   // Separate thread used to read from the stream without blocking the main
   // thread. net::FileStream's async API cannot be used here because, on
   // Windows, it requires the file handle to have been opened for overlapped IO.
   base::Thread reader_thread_;
   scoped_refptr<base::SequencedTaskRunner> read_task_runner_;
 
   // Allows the reader to be deleted safely even when tasks may be pending on
   // it.
   base::WeakPtrFactory<NativeMessagingReader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeMessagingReader);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_NATIVE_MESSAGING_NATIVE_MESSAGING_READER_H_