Fix yet another instance of scoped_ptr<T>(NULL) on ChromeOS.

content/common/gpu/media/exynos_video_decode_accelerator.cc

 // Copyright (c) 2012 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 <dlfcn.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <linux/videodev2.h>
 #include <poll.h>
 #include <sys/eventfd.h>
@@ skipping 189 matching lines @@
     EGLDisplay egl_display,
     EGLContext egl_context,
     Client* client,
     const base::Callback<bool(void)>& make_context_current)
     : child_message_loop_proxy_(base::MessageLoopProxy::current()),
       weak_this_(base::AsWeakPtr(this)),
       client_ptr_factory_(client),
       client_(client_ptr_factory_.GetWeakPtr()),
       decoder_thread_("ExynosDecoderThread"),
       decoder_state_(kUninitialized),
-      decoder_current_bitstream_buffer_(NULL),
       decoder_delay_bitstream_buffer_id_(-1),
       decoder_current_input_buffer_(-1),
       decoder_decode_buffer_tasks_scheduled_(0),
       decoder_frames_at_client_(0),
       decoder_flushing_(false),
       decoder_partial_frame_pending_(false),
       mfc_fd_(-1),
       mfc_input_streamon_(false),
       mfc_input_buffer_queued_count_(0),
       mfc_output_streamon_(false),
@@ skipping 2008 matching lines @@
   reqbufs.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   reqbufs.memory = V4L2_MEMORY_DMABUF;
   if (ioctl(gsc_fd_, VIDIOC_REQBUFS, &reqbufs) != 0)
     DPLOG(ERROR) << "DestroyGscOutputBuffers(): ioctl() failed: VIDIOC_REQBUFS";
 
   gsc_output_buffer_map_.clear();
   gsc_free_output_buffers_.clear();
 }
 
 }  // namespace content