Remove a scoped_refptr<>::swap overload

media/filters/ffmpeg_video_decoder.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 "media/filters/ffmpeg_video_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 84 matching lines @@
 }
 
 static int GetVideoBufferImpl(struct AVCodecContext* s,
                               AVFrame* frame,
                               int flags) {
   FFmpegVideoDecoder* decoder = static_cast<FFmpegVideoDecoder*>(s->opaque);
   return decoder->GetVideoBuffer(s, frame, flags);
 }
 
 static void ReleaseVideoBufferImpl(void* opaque, uint8_t* data) {
-  scoped_refptr<VideoFrame> video_frame;
-  video_frame.swap(reinterpret_cast<VideoFrame**>(&opaque));
+  if (opaque)
+    static_cast<VideoFrame*>(opaque)->Release();
 }
 
 // static
 bool FFmpegVideoDecoder::IsCodecSupported(VideoCodec codec) {
   FFmpegGlue::InitializeFFmpeg();
   return avcodec_find_decoder(VideoCodecToCodecID(codec)) != nullptr;
 }
 
 FFmpegVideoDecoder::FFmpegVideoDecoder()
     : state_(kUninitialized), decode_nalus_(false) {
@@ skipping 82 matching lines @@
     frame->linesize[i] = video_frame->stride(i);
   }
 
   frame->width = coded_size.width();
   frame->height = coded_size.height();
   frame->format = codec_context->pix_fmt;
   frame->reordered_opaque = codec_context->reordered_opaque;
 
   // Now create an AVBufferRef for the data just allocated. It will own the
   // reference to the VideoFrame object.
-  void* opaque = NULL;
-  video_frame.swap(reinterpret_cast<VideoFrame**>(&opaque));
+  VideoFrame* opaque = video_frame.get();
+  opaque->AddRef();
   frame->buf[0] =
       av_buffer_create(frame->data[0],
                        VideoFrame::AllocationSize(format, coded_size),
                        ReleaseVideoBufferImpl,
                        opaque,
                        0);
   return 0;
 }
 
 std::string FFmpegVideoDecoder::GetDisplayName() const {
@@ skipping 207 matching lines @@
   if (!codec || avcodec_open2(codec_context_.get(), codec, NULL) < 0) {
     ReleaseFFmpegResources();
     return false;
   }
 
   av_frame_.reset(av_frame_alloc());
   return true;
 }
 
 }  // namespace media