Cast: Provide more meaningful stats.

chrome/renderer/media/cast_session_delegate.h

Index: chrome/renderer/media/cast_session_delegate.h
diff --git a/chrome/renderer/media/cast_session_delegate.h b/chrome/renderer/media/cast_session_delegate.h
index 008c327b9af83c449daa8f1850579e60c950bc97..7397f8078def9ea9400a015732f3a914813f7ef1 100644
--- a/chrome/renderer/media/cast_session_delegate.h
+++ b/chrome/renderer/media/cast_session_delegate.h
@@ -32,6 +32,7 @@ namespace cast {
 class CastEnvironment;
 class EncodingEventSubscriber;
 class FrameInput;
+class ReceiverTimeOffsetEstimator;
 class StatsEventSubscriber;
 
 namespace transport {
@@ -109,6 +110,8 @@ class CastSessionDelegate {
   scoped_ptr<media::cast::EncodingEventSubscriber> audio_event_subscriber_;
   scoped_ptr<media::cast::EncodingEventSubscriber> video_event_subscriber_;
 
+  scoped_ptr<media::cast::ReceiverTimeOffsetEstimator>

[hubbe, 2014/04/15 00:23:22]

Why a scoped_ptr? why not just put the object here?

[imcheng, 2014/04/15 01:18:36]

We don't need this object if logging is turned off.

+      receiver_offset_estimator_;
   scoped_ptr<media::cast::StatsEventSubscriber> audio_stats_subscriber_;
   scoped_ptr<media::cast::StatsEventSubscriber> video_stats_subscriber_;