MediaLog: Log selected audio/video decoder name.

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 b172bfbce912f828f4896769a215f1d7658a6877..4f38f6c41ad4472b72aedb4623f548e88df9c177 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -56,6 +56,8 @@ const char* MediaLog::EventTypeToString(MediaLogEvent::Type type) {
       return "MEDIA_SOURCE_ERROR";
     case MediaLogEvent::PROPERTY_CHANGE:
       return "PROPERTY_CHANGE";
+    case MediaLogEvent::INFO:
+      return "INFO";
   }
   NOTREACHED();
   return NULL;
@@ -199,6 +201,12 @@ scoped_ptr<MediaLogEvent> MediaLog::CreateMediaSourceErrorEvent(
   return event.Pass();
 }
 
+scoped_ptr<MediaLogEvent> MediaLog::CreateInfoEvent(const std::string& info) {
+  scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::INFO));
+  event->params.SetString("INFO", info);

[xhwang, 2014/09/08 17:31:21]

Note we have "error" above. Not sure whether we should go with all lower cases
or all upper cases...

+  return event.Pass();
+}
+
 void MediaLog::SetStringProperty(
     const char* key, const std::string& value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE));