Revert 145937 - Merge 143765 - Ensure media's buffered ranges always have a range that includes cur…

media/base/demuxer_stream.h

Index: media/base/demuxer_stream.h
===================================================================
--- media/base/demuxer_stream.h	(revision 145949)
+++ media/base/demuxer_stream.h	(working copy)
@@ -8,7 +8,6 @@
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/media_export.h"
-#include "media/base/ranges.h"
 
 namespace media {
 
@@ -42,9 +41,6 @@
   // if type() != VIDEO.
   virtual const VideoDecoderConfig& video_decoder_config() = 0;
 
-  // Returns time ranges known to have been seen by this stream.
-  virtual Ranges<base::TimeDelta> GetBufferedRanges() = 0;
-
   // Returns the type of stream.
   virtual Type type() = 0;