2009-07-17  David Hyatt  <hyatt@apple.com>

        Reviewed by Dan Bernstein.

        https://bugs.webkit.org/show_bug.cgi?id=27379
        Absolutely-positioned elements with a scrollbar wrap prematurely.  Make sure to include
        the vertical scrollbar width for overflow:scroll elements.

        Added fast/css/positioned-overflow-scroll.html

        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::calcPrefWidths):
        * rendering/RenderFlexibleBox.cpp:
        (WebCore::RenderFlexibleBox::calcPrefWidths):

LayoutTests:

2009-07-17  David Hyatt  <hyatt@apple.com>

        Reviewed by Dan Bernstein.

        https://bugs.webkit.org/show_bug.cgi?id=27379
        Absolutely-positioned elements with a scrollbar wrap prematurely.  Make sure to include
        the vertical scrollbar width for overflow:scroll elements.

        * fast/css/positioned-overflow-scroll.html: Added.
        * platform/mac/fast/css/positioned-overflow-scroll-expected.checksum: Added.
        * platform/mac/fast/css/positioned-overflow-scroll-expected.png: Added.
        * platform/mac/fast/css/positioned-overflow-scroll-expected.txt: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@46044 268f45cc-cd09-0410-ab3c-d52691b4dbfc