Introduce media::TimeSource.

media/filters/video_renderer_impl.h

 // Copyright 2013 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_VIDEO_RENDERER_IMPL_H_
 #define MEDIA_FILTERS_VIDEO_RENDERER_IMPL_H_
 
 #include <deque>
 
 #include "base/memory/ref_counted.h"
@@ skipping 42 matching lines @@
       const SetDecryptorReadyCB& set_decryptor_ready_cb,
       const PaintCB& paint_cb,
       bool drop_frames);
   virtual ~VideoRendererImpl();
 
   // VideoRenderer implementation.
   virtual void Initialize(DemuxerStream* stream,
                           bool low_delay,
                           const PipelineStatusCB& init_cb,
                           const StatisticsCB& statistics_cb,
-                          const TimeCB& max_time_cb,
                           const BufferingStateCB& buffering_state_cb,
                           const base::Closure& ended_cb,
                           const PipelineStatusCB& error_cb,
                           const TimeDeltaCB& get_time_cb,
                           const TimeDeltaCB& get_duration_cb) OVERRIDE;
   virtual void Flush(const base::Closure& callback) OVERRIDE;
-  virtual void StartPlayingFrom(base::TimeDelta timestamp) OVERRIDE;
+  virtual void StartPlaying() OVERRIDE;
   virtual void Stop(const base::Closure& callback) OVERRIDE;
 
   // PlatformThread::Delegate implementation.
   virtual void ThreadMain() OVERRIDE;
 
  private:
   // Callback for |video_frame_stream_| initialization.
   void OnVideoFrameStreamInitialized(bool success);
 
   // Callback for |video_frame_stream_| to deliver decoded video frames and
@@ skipping 66 matching lines @@
   //
   //   kUninitialized
   //         | Initialize()
   //         |
   //         V
   //    kInitializing
   //         | Decoders initialized
   //         |
   //         V            Decoders reset
   //      kFlushed <------------------ kFlushing
-  //         | StartPlayingFrom()         ^
+  //         | StartPlaying()             ^
   //         |                            |
   //         |                            | Flush()
   //         `---------> kPlaying --------'
   enum State {
     kUninitialized,
     kInitializing,
     kFlushing,
     kFlushed,
     kPlaying,
     kStopped,
@@ skipping 10 matching lines @@
   bool drop_frames_;
 
   BufferingState buffering_state_;
 
   // Playback operation callbacks.
   base::Closure flush_cb_;
 
   // Event callbacks.
   PipelineStatusCB init_cb_;
   StatisticsCB statistics_cb_;
-  TimeCB max_time_cb_;
   BufferingStateCB buffering_state_cb_;
   base::Closure ended_cb_;
   PipelineStatusCB error_cb_;
   TimeDeltaCB get_time_cb_;
   TimeDeltaCB get_duration_cb_;
 
   base::TimeDelta start_timestamp_;
 
   // Embedder callback for notifying a new frame is available for painting.
   PaintCB paint_cb_;
@@ skipping 10 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<VideoRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_VIDEO_RENDERER_IMPL_H_