Convert device to std::unique_ptr

device/hid/hid_connection_linux.cc

 // Copyright (c) 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 "device/hid/hid_connection_linux.h"
 
 #include <errno.h>
 #include <linux/hidraw.h>
 #include <sys/ioctl.h>
+
+#include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_pump_libevent.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 27 matching lines @@
     has_report_id_ = device_info->has_report_id();
   }
 
   ~FileThreadHelper() override {
     DCHECK(thread_checker_.CalledOnValidThread());
     base::MessageLoop::current()->RemoveDestructionObserver(this);
   }
 
   // Starts the FileDescriptorWatcher that reads input events from the device.
   // Must be called on a thread that has a base::MessageLoopForIO.
-  static void Start(scoped_ptr<FileThreadHelper> self) {
+  static void Start(std::unique_ptr<FileThreadHelper> self) {
     base::ThreadRestrictions::AssertIOAllowed();
     self->thread_checker_.DetachFromThread();
 
     if (!base::MessageLoopForIO::current()->WatchFileDescriptor(
             self->platform_file_, true, base::MessageLoopForIO::WATCH_READ,
             &self->file_watcher_, self.get())) {
       HID_LOG(ERROR) << "Failed to start watching device file.";
     }
 
     // |self| is now owned by the current message loop.
@@ skipping 65 matching lines @@
     base::File device_file,
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner)
     : HidConnection(device_info),
       file_task_runner_(file_task_runner),
       weak_factory_(this) {
   task_runner_ = base::ThreadTaskRunnerHandle::Get();
   device_file_ = std::move(device_file);
 
   // The helper is passed a weak pointer to this connection so that it can be
   // cleaned up after the connection is closed.
-  scoped_ptr<FileThreadHelper> helper(
+  std::unique_ptr<FileThreadHelper> helper(
       new FileThreadHelper(device_file_.GetPlatformFile(), device_info,
                            weak_factory_.GetWeakPtr(), task_runner_));
   helper_ = helper.get();
   file_task_runner_->PostTask(
       FROM_HERE, base::Bind(&FileThreadHelper::Start, base::Passed(&helper)));
 }
 
 HidConnectionLinux::~HidConnectionLinux() {
   DCHECK(helper_ == nullptr);
 }
@@ skipping 163 matching lines @@
     PendingHidReport report = pending_reports_.front();
 
     pending_reports_.pop();
     if (CompleteRead(report.buffer, report.size, read.callback)) {
       pending_reads_.pop();
     }
   }
 }
 
 }  // namespace device