MEDIA_LOG for large encoded timestamp gaps in decoder stream.

media/filters/decoder_stream.h

Index: media/filters/decoder_stream.h
diff --git a/media/filters/decoder_stream.h b/media/filters/decoder_stream.h
index 7e2519ddd1bd7eaec5a64019b694c127b21f5232..cb47db81e5a92f9cf92cac2bee0fa426af48a173 100644
--- a/media/filters/decoder_stream.h
+++ b/media/filters/decoder_stream.h
@@ -6,6 +6,7 @@
 #define MEDIA_FILTERS_DECODER_STREAM_H_
 
 #include <list>
+#include <memory>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ -13,12 +14,14 @@
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/audio_decoder.h"
+#include "media/base/audio_timestamp_helper.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/media_export.h"
 #include "media/base/media_log.h"
 #include "media/base/moving_average.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/timestamp_constants.h"
+#include "media/filters/audio_timestamp_validator.h"
 #include "media/filters/decoder_selector.h"
 #include "media/filters/decoder_stream_traits.h"
 
@@ -256,6 +259,8 @@ class MEDIA_EXPORT DecoderStream {
   // overwritten by an error.
   bool pending_demuxer_read_;
 
+  std::unique_ptr<AudioTimestampValidator> audio_ts_validator_;
+
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<DecoderStream<StreamType>> weak_factory_;