Reviewed by Eric Carlson.

        Configure multi-language movies: when QuickTime has sufficiently loaded
        the movie, call into wkQTMovieSelectPreferredAlternates to select the
        movie's alternate tracks according to the user's language preferences.

        https://bugs.webkit.org/show_bug.cgi?id=36624

        * WebCore.base.exp:
        * platform/graphics/mac/MediaPlayerPrivateQTKit.mm: 
        (WebCore::MediaPlayerPrivate::updateStates): If the movie is sufficiently loaded,
        call wkQTMovieSelectPreferredAlternates to set up the alternate tracks.
        * platform/mac/WebCoreSystemInterface.h: Declare WKQTMovieSelectPreferredAlternates.
        * platform/mac/WebCoreSystemInterface.mm: Add WKQTMovieSelectPreferredAlternates.

2010-04-02  Jer Noble  <jer.noble@apple.com>

        Reviewed by Eric Carlson.
        
        https://bugs.webkit.org/show_bug.cgi?id=36624

        Update WebKitSystemInterface

        * WebKitSystemInterface.h: add WKQTMovieSelectPreferredAlternates.
        * libWebKitSystemInterfaceLeopard.a:
        * libWebKitSystemInterfaceSnowLeopard.a:
        * libWebKitSystemInterfaceTiger.a:

2010-04-02  Jer Noble  <jer.noble@apple.com>

        Reviewed by Eric Carlson.

        https://bugs.webkit.org/show_bug.cgi?id=36624
        Add an INIT macro for the WebKitSystemInterface function wkQTMovieSelectPreferredAlternates.

        * WebCoreSupport/WebSystemInterface.m:
        (InitWebCoreSystemInterface):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@57031 268f45cc-cd09-0410-ab3c-d52691b4dbfc