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 NOTIFY_ERROR()                      \
   do {                                      \
     LOG(ERROR) << "calling NotifyError()";  \
@@ skipping 657 matching lines @@
   input_buffer_queued_count_ = 0;
 
   output_buffer_map_.clear();
   output_buffer_map_.resize(num_buffers_);
   output_buffer_queued_count_ = 0;
 
   return true;
 }
 
 }  // namespace content