Cast: Remove LoggingStats in favor of event subscribers.

chrome/renderer/media/cast_session_delegate.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 CHROME_RENDERER_MEDIA_CAST_SESSION_DELEGATE_H_
 #define CHROME_RENDERER_MEDIA_CAST_SESSION_DELEGATE_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 14 matching lines @@
 class MessageLoopProxy;
 }  // namespace base
 
 namespace media {
 class VideoFrame;
 
 namespace cast {
 class CastEnvironment;
 class EncodingEventSubscriber;
 class FrameInput;
+class StatsEventSubscriber;
 
 namespace transport {
 class CastTransportSender;
 }  // namespace transport
 }  // namespace cast
 }  // namespace media
 
 // This class hosts CastSender and connects it to audio/video frame input
 // and network socket.
 // This class is created on the render thread and destroyed on the IO
@@ skipping 56 matching lines @@
   scoped_refptr<media::cast::CastEnvironment> cast_environment_;
   scoped_ptr<media::cast::CastSender> cast_sender_;
   scoped_ptr<media::cast::transport::CastTransportSender> cast_transport_;
 
   AudioFrameInputAvailableCallback audio_frame_input_available_callback_;
   VideoFrameInputAvailableCallback video_frame_input_available_callback_;
 
   scoped_ptr<media::cast::EncodingEventSubscriber> audio_event_subscriber_;
   scoped_ptr<media::cast::EncodingEventSubscriber> video_event_subscriber_;
 
+  scoped_ptr<media::cast::StatsEventSubscriber> audio_stats_subscriber_;
+  scoped_ptr<media::cast::StatsEventSubscriber> video_stats_subscriber_;
+
   // Proxy to the IO message loop.
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
   base::WeakPtrFactory<CastSessionDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastSessionDelegate);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_SESSION_DELEGATE_H_