stack properly in cells (so that the layers behind can show through like they
        should).

        Reviewed by beth

        * rendering/RenderTableCell.cpp:
        (WebCore::RenderTableCell::requiresLayer):
        (WebCore::RenderTableCell::paintBackgroundsBehindCell):
        (WebCore::RenderTableCell::paintBoxDecorations):
        * rendering/RenderTableCell.h:
        * rendering/RenderTableRow.cpp:
        (WebCore::RenderTableRow::paint):
        * rendering/RenderTableRow.h:
        (WebCore::RenderTableRow::requiresLayer):
        * rendering/RenderTableSection.cpp:
        (WebCore::RenderTableSection::paint):
        * rendering/render_layer.cpp:
        (WebCore::RenderLayer::updateLayerPosition):
        (WebCore::RenderLayer::isTransparent):
        (WebCore::RenderLayer::transparentAncestor):
        (WebCore::RenderLayer::beginTransparencyLayers):
        (WebCore::RenderLayer::paintLayer):
        (WebCore::RenderLayer::absoluteBoundingBox):
        * rendering/render_object.cpp:
        (WebCore::RenderObject::requiresLayer):
        * rendering/render_object.h:
        (WebCore::RenderObject::isTransparent):
        (WebCore::RenderObject::opacity):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@13366 268f45cc-cd09-0410-ab3c-d52691b4dbfc