WebCore:

WebCore:

        Reviewed by Dave Hyatt.

        - fix <rdar://problem/5650045> REGRESSION: major layout problems in svn r28754 WebKit on Vox.com page

        Test: fast/dynamic/subtree-boundary-percent-height.html

        * rendering/RenderObject.cpp:
        (WebCore::objectIsRelayoutBoundary): Do not allow overflows with
        percent heights because sometimes they compute to 'auto'.

LayoutTests:

        Reviewed by Dave Hyatt.

        - test for <rdar://problem/5650045> REGRESSION: major layout problems in svn r28754 WebKit on Vox.com page

        * fast/dynamic/subtree-boundary-percent-height.html: Added.
        * platform/mac/fast/dynamic/subtree-boundary-percent-height-expected.checksum: Added.
        * platform/mac/fast/dynamic/subtree-boundary-percent-height-expected.png: Added.
        * platform/mac/fast/dynamic/subtree-boundary-percent-height-expected.txt: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@28873 268f45cc-cd09-0410-ab3c-d52691b4dbfc