Reviewed by John.

    Reviewed by John.

        - fix <rdar://problem/4432562> REGRESSION (TOT):
          Safari's "stop loading" active, "view source" inactive after page load [7058]
          http://bugzilla.opendarwin.org/show_bug.cgi?id=7058

        * page/Frame.h: Make redirectionTimerFired virtual.
        * bridge/mac/MacFrame.h: Override redirectionTimerFired.
        * bridge/mac/MacFrame.mm: (WebCore::MacFrame::redirectionTimerFired):
        Send the redirectionTimerCancelled callback here, even though it has
        fired rather than being cancelled.

        * manual-tests/redirect.html: Added.
        * manual-tests/redirection-target.html: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@12598 268f45cc-cd09-0410-ab3c-d52691b4dbfc