Bug 938967 - [fugu][hamachi]The video had be sought to 00:00 could not be played from background to foreground
Merge pull request #13824 from huchengtw-moz/video/Bug_938967_00-00_is_not_handle_correctly

Bug 938967 - [fugu][hamachi]The video had be sought to 00:00 could not b..., r=djf