Reviewed by Darin.

        - fix http://bugs.webkit.org/show_bug.cgi?id=13774
          REGRESSION: Crash emailing blog entry using Google Reader

        Test: fast/table/stale-grid-crash.html

        * rendering/RenderTable.cpp:
        (WebCore::RenderTable::recalcSections): Made const and replaced
        setNeedsLayout(true) with an assertion that the table is already
        marked for layout.
        (WebCore::RenderTable::sectionAbove): Added call to recalcSectionsIfNeeded().
        (WebCore::RenderTable::sectionBelow): Ditto.
        (WebCore::RenderTable::cellAbove): Ditto.
        (WebCore::RenderTable::cellBelow): Ditto.
        (WebCore::RenderTable::cellBefore): Ditto.
        (WebCore::RenderTable::cellAfter): Ditto.
        * rendering/RenderTable.h:
        Made some private member variables which are used in section recalc mutable.
        (WebCore::RenderTable::setNeedsSectionRecalc): Moved the call to
        setNeedsLayout() from recalcSections() into here, because I made
        recalcSections() const.
        (WebCore::RenderTable::recalcSectionsIfNeeded): Made const.

2007-05-19  Mitz Pettel  <mitz@webkit.org>

        Reviewed by Darin.

        - test for http://bugs.webkit.org/show_bug.cgi?id=13774
          REGRESSION: Crash emailing blog entry using Google Reader

        * fast/table/stale-grid-crash-expected.checksum: Added.
        * fast/table/stale-grid-crash-expected.png: Added.
        * fast/table/stale-grid-crash-expected.txt: Added.
        * fast/table/stale-grid-crash.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@21602 268f45cc-cd09-0410-ab3c-d52691b4dbfc