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 3f82c2c97b68b2b2d52e3ebebea7f6cc0ead0eda..8a08193a9a7290fac5a7fc58b9232a00acfa11ea 100644
--- a/media/filters/decoder_stream.h
+++ b/media/filters/decoder_stream.h
@@ -7,6 +7,7 @@
 
 #include <deque>
 #include <list>
+#include <memory>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ -14,6 +15,7 @@
 #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"
@@ -192,6 +194,8 @@ class MEDIA_EXPORT DecoderStream {
   void ResetDecoder();
   void OnDecoderReset();
 
+  DecoderStreamTraits<StreamType> traits_;
+
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   scoped_refptr<MediaLog> media_log_;