Move Liveness from DemuxerStreamProvider to DemuxerStream.

media/base/demuxer_stream_provider.h

Index: media/base/demuxer_stream_provider.h
diff --git a/media/base/demuxer_stream_provider.h b/media/base/demuxer_stream_provider.h
index 83082fc375dbc9a489eb6acfb2591abfecdfe3fa..1d270928fc532750d64534a4c2e587995d7a534d 100644
--- a/media/base/demuxer_stream_provider.h
+++ b/media/base/demuxer_stream_provider.h
@@ -12,12 +12,6 @@ namespace media {
 
 class MEDIA_EXPORT DemuxerStreamProvider {
  public:
-  enum Liveness {
-    LIVENESS_UNKNOWN,
-    LIVENESS_RECORDED,
-    LIVENESS_LIVE,
-  };
-
   DemuxerStreamProvider();
   virtual ~DemuxerStreamProvider();
 
@@ -25,9 +19,6 @@ class MEDIA_EXPORT DemuxerStreamProvider {
   // to be DemuxerStream::TEXT), or NULL if that type of stream is not present.
   virtual DemuxerStream* GetStream(DemuxerStream::Type type) = 0;
 
-  // Returns liveness of the streams provided, i.e. whether recorded or live.
-  virtual Liveness GetLiveness() const = 0;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(DemuxerStreamProvider);
 };