media: Introduce DemuxerStreamProvider interface.

media/filters/chunk_demuxer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 143 matching lines @@
                const LogCB& log_cb,
                bool splice_frames_enabled);
   virtual ~ChunkDemuxer();
 
   // Demuxer implementation.
   virtual void Initialize(DemuxerHost* host,
                           const PipelineStatusCB& cb,
                           bool enable_text_tracks) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual void Seek(base::TimeDelta time, const PipelineStatusCB&  cb) OVERRIDE;
+  virtual base::Time GetTimelineOffset() const OVERRIDE;
   virtual DemuxerStream* GetStream(DemuxerStream::Type type) OVERRIDE;
-  virtual base::Time GetTimelineOffset() const OVERRIDE;
   virtual Liveness GetLiveness() const OVERRIDE;
 
   // Methods used by an external object to control this demuxer.
   //
   // Indicates that a new Seek() call is on its way. Any pending Reads on the
   // DemuxerStream objects should be aborted immediately inside this call and
   // future Read calls should return kAborted until the Seek() call occurs.
   // This method MUST ALWAYS be called before Seek() is called to signal that
   // the next Seek() call represents the seek point we actually want to return
   // data for.
@@ skipping 210 matching lines @@
 
   // Indicates that splice frame generation is enabled.
   const bool splice_frames_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_