media: Add Rappor reporting in 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 ee3c99cce23ea96cd1fd7814db676f6b296788b7..546eb45026940fd01703e23dc0d277240538e7b7 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -154,6 +154,10 @@ std::string MediaLog::GetLastErrorMessage() {
   return "";
 }
 
+void MediaLog::RecordRapporWithSecurityOrigin(const std::string& metric) {
+  NOTIMPLEMENTED() << "Default MediaLog doesn't support rappor reporting.";
+}
+
 std::unique_ptr<MediaLogEvent> MediaLog::CreateEvent(MediaLogEvent::Type type) {
   std::unique_ptr<MediaLogEvent> event(new MediaLogEvent);
   event->id = id_;