(AVFoundation) WebKit fails to detect live stream.
https://bugs.webkit.org/show_bug.cgi?id=114474

Reviewed by Eric Carlson.

Remove a workaround (added by r88944) for an error in an Apple.com javascript
media controller. The error has been fixed, and the workaround is causing problems
with other media streams.

* platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjC.mm:
(WebCore::MediaPlayerPrivateAVFoundationObjC::platformDuration):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148295 268f45cc-cd09-0410-ab3c-d52691b4dbfc
        <rdar://problem/13334446> [Mac] Tweak sandbox profile.

        Reviewed by Jessie Berlin.

        * NetworkProcess/mac/com.apple.WebKit.NetworkProcess.sb.in:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148296 268f45cc-cd09-0410-ab3c-d52691b4dbfc