2009-02-16  Anantanarayanan Iyengar  <ananta@chromium.org>

        Reviewed by Darin Fisher.

        https://bugs.webkit.org/show_bug.cgi?id=23973
        ScrollView::scrollContents can be invoked during view shutdown.  In
        this scenario the FrameView::hostWindow method can return NULL, which
        indicates that the frame/page is being destroyed. This causes a crash
        when we try to dereference a NULL hostWindow pointer.  Fix is to add a
        NULL check for this.  

        * platform/ScrollView.cpp:
        (WebCore::ScrollView::scrollContents):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@41260 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2 files changed