To reproduce, navigate to the URL and click the Play button in the middle of the page. As the video starts playing, it turns invisible, revealing the gray background behind. This is a regression caused by <http://trac.webkit.org/r149749>, the fix for bug 106183.
<rdar://problem/13869125>
Created attachment 201509 [details] Proposed patch
Comment on attachment 201509 [details] Proposed patch I think you need to add the svn mime type or something.
Comment on attachment 201509 [details] Proposed patch Clearing flags on attachment: 201509 Committed r149989: <http://trac.webkit.org/changeset/149989>
All reviewed patches have been landed. Closing bug.
*** Bug 115887 has been marked as a duplicate of this bug. ***