MSE: Log buffered audio splice generation to media-internals

content/renderer/media/render_media_log.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 CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_
 #define CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_
 
 #include <vector>
 
 #include "base/time/time.h"
@@ skipping 28 matching lines @@
   void AddEventInternal(scoped_ptr<media::MediaLogEvent> event);
 
   // Posted as a delayed task to throttle ipc message frequency.
   void SendQueuedMediaEvents();
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_ptr<base::TickClock> tick_clock_;
   base::TimeTicks last_ipc_send_time_;
   std::vector<media::MediaLogEvent> queued_media_events_;
 
-  // Limits the number buffered extents changed events we send over IPC to one.
+  // Limit the number buffered extents changed and buffered audio splice
+  // statistics changed events we send over IPC to one each.
   scoped_ptr<media::MediaLogEvent> last_buffered_extents_changed_event_;
+  scoped_ptr<media::MediaLogEvent>
+      last_buffered_audio_splice_stats_changed_event_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderMediaLog);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_RENDER_MEDIA_LOG_H_