Convert implicit scoped_refptr constructor calls to explicit ones, part 1

media/filters/ffmpeg_video_decoder.cc

 // Copyright (c) 2010 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 <deque>
 
 #include "base/task.h"
 #include "media/base/callback.h"
@@ skipping 216 matching lines @@
 
 void FFmpegVideoDecoder::OnError() {
   NOTIMPLEMENTED();
 }
 
 void FFmpegVideoDecoder::OnFormatChange(VideoStreamInfo stream_info) {
   NOTIMPLEMENTED();
 }
 
 void FFmpegVideoDecoder::OnReadComplete(Buffer* buffer_in) {
-  scoped_refptr<Buffer> buffer = buffer_in;
+  scoped_refptr<Buffer> buffer(buffer_in);
   message_loop()->PostTask(
       FROM_HERE,
       NewRunnableMethod(this,
                         &FFmpegVideoDecoder::OnReadCompleteTask,
                         buffer));
 }
 
 void FFmpegVideoDecoder::OnReadCompleteTask(scoped_refptr<Buffer> buffer) {
   DCHECK_EQ(MessageLoop::current(), message_loop());
   DCHECK_NE(state_, kStopped);  // because of Flush() before Stop().
@@ skipping 184 matching lines @@
       VideoFrameReady(video_frame);
   }
 }
 
 void FFmpegVideoDecoder::SetVideoDecodeEngineForTest(
     VideoDecodeEngine* engine) {
   decode_engine_.reset(engine);
 }
 
 }  // namespace media