2011-06-03 Yael Aharon <yael.aharon@nokia.com>

2011-06-03  Yael Aharon  <yael.aharon@nokia.com>

        Reviewed by Kenneth Rohde Christiansen.

        Frame flattening is broken with nested frames
        https://bugs.webkit.org/show_bug.cgi?id=61491

        * fast/frames/flattening/iframe-flattening-out-of-view.html: Added.
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-expected.png: Added.
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-expected.txt: Added.
        * fast/frames/flattening/iframe-flattening-out-of-view-and-scroll.html
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-and-scroll-expected.png: Added.
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-and-scroll-expected.txt: Added.
        * fast/frames/flattening/iframe-flattening-out-of-view-scroll-and-relayout.html
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-scroll-and-relayout-expected.png: Added.
        * platform/mac/fast/frames/flattening/iframe-flattening-out-of-view-scroll-and-relayout-expected.txt: Added.
2011-06-03  Yael Aharon  <yael.aharon@nokia.com>

        Reviewed by Kenneth Rohde Christiansen.

        Frame flattening is broken with nested frames
        https://bugs.webkit.org/show_bug.cgi?id=61491

        Do not flatten offscreen iframes during frame flattening, as flattening might make them visible.

        Test: fast/frames/flattening/iframe-flattening-out-of-view.html
              fast/frames/flattening/iframe-flattening-out-of-view-and-scroll.html
              fast/frames/flattening/iframe-flattening-out-of-view-scroll-and-relayout.html

        * rendering/RenderIFrame.cpp:
        (WebCore::RenderIFrame::flattenFrame):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@88011 268f45cc-cd09-0410-ab3c-d52691b4dbfc