MSE: Log buffered audio splice generation to media-internals

content/renderer/media/render_media_log.cc

Index: content/renderer/media/render_media_log.cc
diff --git a/content/renderer/media/render_media_log.cc b/content/renderer/media/render_media_log.cc
index eae60c006a92522b9569c479210cf03a9a919f5b..e45764fe3be94e04be3935299447e847c5c1a6aa 100644
--- a/content/renderer/media/render_media_log.cc
+++ b/content/renderer/media/render_media_log.cc
@@ -55,14 +55,19 @@ void RenderMediaLog::AddEventInternal(scoped_ptr<media::MediaLogEvent> event) {
 
   // If there is an event waiting to be sent, there must be a send task pending.
   const bool delayed_ipc_send_pending =
-      !queued_media_events_.empty() || last_buffered_extents_changed_event_;
+      !queued_media_events_.empty() || last_buffered_extents_changed_event_ ||
+      last_buffered_audio_splice_stats_changed_event_;
 
   // Keep track of the latest buffered extents properties to avoid sending
   // thousands of events over IPC. See http://crbug.com/352585 for details.
-  if (event->type == media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED)
+  if (event->type == media::MediaLogEvent::BUFFERED_EXTENTS_CHANGED) {
     last_buffered_extents_changed_event_.swap(event);
-  else
+  } else if (event->type ==
+             media::MediaLogEvent::BUFFERED_AUDIO_SPLICE_STATISTICS_CHANGED) {
+    last_buffered_audio_splice_stats_changed_event_.swap(event);
+  } else {
     queued_media_events_.push_back(*event);
+  }
 
   if (delayed_ipc_send_pending)
     return;
@@ -90,6 +95,12 @@ void RenderMediaLog::SendQueuedMediaEvents() {
     last_buffered_extents_changed_event_.reset();
   }
 
+  if (last_buffered_audio_splice_stats_changed_event_) {
+    queued_media_events_.push_back(
+        *last_buffered_audio_splice_stats_changed_event_);
+    last_buffered_audio_splice_stats_changed_event_.reset();
+  }
+
   RenderThread::Get()->Send(
       new ViewHostMsg_MediaLogEvents(queued_media_events_));
   queued_media_events_.clear();