Update to Pipeline Metadata and Decoder Stream for Orientation Data

media/base/demuxer_stream.h

Index: media/base/demuxer_stream.h
diff --git a/media/base/demuxer_stream.h b/media/base/demuxer_stream.h
index 87f53e7307fcec7982b85be91639b4a536dd4ee2..1207e1872038e0691e9088c8f17db246cb5ee1d3 100644
--- a/media/base/demuxer_stream.h
+++ b/media/base/demuxer_stream.h
@@ -8,6 +8,7 @@
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/media_export.h"
+#include "media/base/video_rotation.h"
 
 namespace media {
 
@@ -80,6 +81,8 @@ class MEDIA_EXPORT DemuxerStream {
   // on this.
   virtual bool SupportsConfigChanges() = 0;
 
+  virtual VideoRotation video_rotation() = 0;
+
  protected:
   // Only allow concrete implementations to get deleted.
   virtual ~DemuxerStream();