WIP - MSE: Drop non-keyframes that lack keyframe dependency

media/filters/chunk_demuxer.h

Index: media/filters/chunk_demuxer.h
diff --git a/media/filters/chunk_demuxer.h b/media/filters/chunk_demuxer.h
index 1ef8d263755e695e4f7f344eeb4bc039a2cb0e54..2d6f716648060e02856629137fa99f5ff948fcaf 100644
--- a/media/filters/chunk_demuxer.h
+++ b/media/filters/chunk_demuxer.h
@@ -77,6 +77,10 @@ class MEDIA_EXPORT ChunkDemuxerStream : public DemuxerStream {
   bool UpdateVideoConfig(const VideoDecoderConfig& config, const LogCB& log_cb);
   void UpdateTextConfig(const TextTrackConfig& config, const LogCB& log_cb);
 
+  // Called when the range removal notification callback is changed.
+  void UpdateRangeRemovalCB(
+      const SourceBufferStream::NotifyRangeRemovalCB& range_removal_cb);
+
   void MarkEndOfStream();
   void UnmarkEndOfStream();