Reviewed by Kenneth Rohde Christiansen.

        [WK2][Qt][GTK] Introduce common use flag for the shared UNIX domain socket IPC implementation
        https://bugs.webkit.org/show_bug.cgi?id=58030

        * wtf/Platform.h: Introduce USE(UNIX_DOMAIN_SOCKETS) for WebKit2.
2011-04-07  Balazs Kelemen  <kbalazs@webkit.org>

        Reviewed by Kenneth Rohde Christiansen.

        [WK2][Qt][GTK] Introduce common use flag for the shared UNIX domain socket IPC implementation
        https://bugs.webkit.org/show_bug.cgi?id=58030

        Replace "PLATFORM(QT) || PLATFORM(GTK)" conditions in IPC code with
        USE(UNIX_DOMAIN_SOCKETS).

        * Platform/CoreIPC/Attachment.h:
        * Platform/CoreIPC/Connection.h:
        * Platform/SharedMemory.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@83307 268f45cc-cd09-0410-ab3c-d52691b4dbfc