Reviewed by Hyatt.

        - test for http://bugzilla.opendarwin.org/show_bug.cgi?id=6795
          Slow image load causes render problem

        * fast/block/float/vertical-move-relayout-expected.checksum: Added.
        * fast/block/float/vertical-move-relayout-expected.png: Added.
        * fast/block/float/vertical-move-relayout-expected.txt: Added.
        * fast/block/float/vertical-move-relayout.html: Added.

WebCore:

        Test: fast/block/float/vertical-move-relayout.html

        Reviewed by Hyatt.

        - fix http://bugzilla.opendarwin.org/show_bug.cgi?id=6795
          Slow image load causes render problem

        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::layoutBlockChildren): Call markAllDescendantsWithFloatsForLayout
        when the child's vertical position changes.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@13382 268f45cc-cd09-0410-ab3c-d52691b4dbfc