Clear active splice flag after an explicit Reset().

media/filters/fake_demuxer_stream.h

Index: media/filters/fake_demuxer_stream.h
diff --git a/media/filters/fake_demuxer_stream.h b/media/filters/fake_demuxer_stream.h
index d0f06f5573234fcb0fa489a322469e832510d2b1..bacf0bddefd809dec033730694c91d164b26441b 100644
--- a/media/filters/fake_demuxer_stream.h
+++ b/media/filters/fake_demuxer_stream.h
@@ -62,6 +62,11 @@ class FakeDemuxerStream : public DemuxerStream {
   // the stream.
   void SeekToStart();
 
+  // Sets the splice timestamp for all furture buffers returned via Read().
+  void set_splice_timestamp(base::TimeDelta splice_timestamp) {
+    splice_timestamp_ = splice_timestamp;
+  }
+
  private:
   void UpdateVideoDecoderConfig();
   void DoRead();
@@ -82,6 +87,7 @@ class FakeDemuxerStream : public DemuxerStream {
 
   base::TimeDelta current_timestamp_;
   base::TimeDelta duration_;
+  base::TimeDelta splice_timestamp_;
 
   gfx::Size next_coded_size_;
   VideoDecoderConfig video_decoder_config_;