Reporting a more accurate buffered time for the video tag

media/base/pipeline_impl.h

Index: media/base/pipeline_impl.h
diff --git a/media/base/pipeline_impl.h b/media/base/pipeline_impl.h
index 27ce43f6756de15b686be6d96b2ebbc043555c95..61f360bd221aa9c0ba7075c5eb9a40b62548d82a 100644
--- a/media/base/pipeline_impl.h
+++ b/media/base/pipeline_impl.h
@@ -79,7 +79,7 @@ class PipelineImpl : public Pipeline, public FilterHost {
   virtual float GetVolume() const;
   virtual void SetVolume(float volume);
   virtual base::TimeDelta GetCurrentTime() const;
-  virtual base::TimeDelta GetBufferedTime() const;
+  virtual base::TimeDelta GetBufferedTime();
   virtual base::TimeDelta GetMediaDuration() const;
   virtual int64 GetBufferedBytes() const;
   virtual int64 GetTotalBytes() const;
@@ -153,6 +153,8 @@ class PipelineImpl : public Pipeline, public FilterHost {
   virtual void SetNetworkActivity(bool network_activity);
   virtual void NotifyEnded();
   virtual void DisableAudioRenderer();
+  virtual void SetCurrentReadPosition(int64 offset);
+  virtual int64 GetCurrentReadPosition();
 
   // Method called during initialization to insert a mime type into the
   // |rendered_mime_types_| set.
@@ -357,6 +359,15 @@ class PipelineImpl : public Pipeline, public FilterHost {
   // replies.
   base::TimeDelta seek_timestamp_;
 
+  // For GetCurrentBytes()/SetCurrentBytes() we need to know what byte we are
+  // currently reading.
+  int64 current_bytes_;
+
+  // Keep track of the maximum buffered position so the buffering appears
+  // smooth.
+  // TODO(vrk): This is a hack.
+  double max_buffered_time_;
+
   // Filter factory as passed in by Start().
   scoped_refptr<FilterFactory> filter_factory_;