Use FFmpeg's reordered_opaque for presentation timestamp reordering.

media/base/video_frame.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/base/video_frame.h"
 
 namespace media {
 
 // static
 void VideoFrame::CreateFrame(VideoFrame::Format format,
@@ skipping 134 matching lines @@
   return false;
 }
 
 VideoFrame::VideoFrame(VideoFrame::Format format,
                        size_t width,
                        size_t height) {
   format_ = format;
   width_ = width;
   height_ = height;
   planes_ = 0;
-  repeat_count_ = 0;
   memset(&strides_, 0, sizeof(strides_));
   memset(&data_, 0, sizeof(data_));
 }
 
 VideoFrame::~VideoFrame() {
   // In multi-plane allocations, only a single block of memory is allocated
   // on the heap, and other |data| pointers point inside the same, single block
   // so just delete index 0.
   delete[] data_[0];
 }
 
 bool VideoFrame::IsEndOfStream() const {
   return format_ == VideoFrame::EMPTY;
 }
 
 }  // namespace media