use type std::string instead of integer for MediaLogEvent::TOTAL_BYTES_SET

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 509de03f3a1eeccbc5fb9a9897d55529519a7d2e..e47286d002212e846e2cf432faa1192c2bc5ce1e 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -152,10 +152,10 @@ scoped_ptr<MediaLogEvent> MediaLog::CreateBooleanEvent(
   return event.Pass();
 }
 
-scoped_ptr<MediaLogEvent> MediaLog::CreateIntegerEvent(
-    MediaLogEvent::Type type, const char* property, int64 value) {
+scoped_ptr<MediaLogEvent> MediaLog::CreateStringEvent(
+    MediaLogEvent::Type type, const char* property, const std::string& value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(type));
-  event->params.SetInteger(property, value);
+  event->params.SetString(property, value);
   return event.Pass();
 }