Reviewed by Holger Freyther.

        Deprecate flawed webkit_web_frame_new() function. This would never
        have worked properly when used outside WebCore since Frame::create()
        can only be called without an owner element once in the lifetime of a
        Page and would result in assertions, leaks and an unusable WebView
        instance.

        Frame creation may be exposed in API some time later via the DOM
        binding but probably not in the WebKit GTK+ core API.

        * webkit/webkitwebframe.cpp:
        * webkit/webkitwebframe.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@38076 268f45cc-cd09-0410-ab3c-d52691b4dbfc