convert //gpu to std::unique_ptr

content/common/gpu/media/v4l2_image_processor.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 <errno.h>
 #include <fcntl.h>
 #include <linux/videodev2.h>
 #include <poll.h>
 #include <string.h>
 #include <sys/eventfd.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/numerics/safe_conversions.h"
 #include "content/common/gpu/media/v4l2_image_processor.h"
 #include "media/base/bind_to_current_loop.h"
 
 #define IOCTL_OR_ERROR_RETURN_VALUE(type, arg, value, type_str)        \
   do {                                                                 \
     if (device_->Ioctl(type, arg) != 0) {                              \
@@ skipping 664 matching lines @@
   return true;
 }
 
 void V4L2ImageProcessor::FrameReady(const FrameReadyCB& cb,
                                     int output_buffer_index) {
   DCHECK(child_task_runner_->BelongsToCurrentThread());
   cb.Run(output_buffer_index);
 }
 
 }  // namespace content