Log BufferedResourceLoader events to MediaLog.

media/base/media_log.cc

Index: media/base/media_log.cc
diff --git a/media/base/media_log.cc b/media/base/media_log.cc
index 6bcbcd710bda8cbe9c8a44edd41ee030e116ebdc..7120bca7c8624c24ba36e1bd77fcc1731dde7e4c 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -25,6 +25,8 @@ const char* MediaLog::EventTypeToString(MediaLogEvent::Type type) {
       return "PLAY";
     case MediaLogEvent::PAUSE:
       return "PAUSE";
+    case MediaLogEvent::BUFFERED_EXTENTS_CHANGED:
+      return "BUFFERED_EXTENTS_CHANGED";
   }
   NOTREACHED();
   return NULL;
@@ -42,6 +44,14 @@ void MediaLog::Load(const std::string& url) {
   AddEvent(event);
 }
 
+void MediaLog::SetBufferedExtents(size_t start, size_t current, size_t end) {
+  MediaLogEvent* event = CreateEvent(MediaLogEvent::BUFFERED_EXTENTS_CHANGED);
+  event->params.SetInteger("buffer_start", start);
+  event->params.SetInteger("buffer_current", current);
+  event->params.SetInteger("buffer_end", end);
+  AddEvent(event);
+}
+
 void MediaLog::AddEventOfType(MediaLogEvent::Type type) {
   MediaLogEvent* event = CreateEvent(type);
   AddEvent(event);