Reduce MediaLog spam and add a note about unsupported statuses.

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 ed43742f307c5297f2f2e498d7e03ddcfabaa3f8..d948cd21950d8a5316c7897b573e63ecdc245b05 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -245,13 +245,6 @@ void MediaLog::SetStringProperty(
   AddEvent(std::move(event));
 }
 
-void MediaLog::SetIntegerProperty(
-    const std::string& key, int value) {
-  scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE));
-  event->params.SetInteger(key, value);
-  AddEvent(std::move(event));
-}
-
 void MediaLog::SetDoubleProperty(
     const std::string& key, double value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE));
@@ -266,16 +259,6 @@ void MediaLog::SetBooleanProperty(
   AddEvent(std::move(event));
 }
 
-void MediaLog::SetTimeProperty(
-    const std::string& key, base::TimeDelta value) {
-  scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE));
-  if (value.is_max())
-    event->params.SetString(key, "unknown");
-  else
-    event->params.SetDouble(key, value.InSecondsF());
-  AddEvent(std::move(event));
-}
-
 LogHelper::LogHelper(MediaLog::MediaLogLevel level,
                      const scoped_refptr<MediaLog>& media_log)
     : level_(level), media_log_(media_log) {