Fix buffered range updates in media::Pipeline

media/filters/ffmpeg_demuxer.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_demuxer.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/base64.h"
@@ skipping 1496 matching lines @@
   FFmpegDemuxerStream* audio = GetFFmpegStream(DemuxerStream::AUDIO);
   FFmpegDemuxerStream* video = GetFFmpegStream(DemuxerStream::VIDEO);
   if (audio && video) {
     buffered = audio->GetBufferedRanges().IntersectionWith(
         video->GetBufferedRanges());
   } else if (audio) {
     buffered = audio->GetBufferedRanges();
   } else if (video) {
     buffered = video->GetBufferedRanges();
   }
-  for (size_t i = 0; i < buffered.size(); ++i)
-    host_->AddBufferedTimeRange(buffered.start(i), buffered.end(i));
+  host_->OnBufferedTimeRangesChanged(buffered);
 }
 
 void FFmpegDemuxer::OnDataSourceError() {
   MEDIA_LOG(ERROR, media_log_) << GetDisplayName() << ": data source error";
   host_->OnDemuxerError(PIPELINE_ERROR_READ);
 }
 
 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   for (const auto& stream : streams_) {  // |stream| is a ref to a pointer.
     if (stream)
       stream->SetLiveness(liveness);
   }
 }
 
 }  // namespace media