History

Time	Change
2015-06-01 08:01:32+00:00	Created
2015-06-01 08:01:32+00:00	Associated with message
2015-06-01 08:01:32+00:00	Associated with メッセージ (例外)
2015-06-01 08:01:32+00:00	Associated with メッセージ
2017-01-28 11:38:40+00:00	Associated with message (MediaError)
2017-01-28 11:38:40+00:00	Associated with message (ErrorEvent)
2020-04-17 08:10:08+00:00	Associated with message (GeolocationPositionError)