Change display:run-in handling so that we no longer reuse RenderBlock as though it is an inline flow.
        Instead we create a new RenderInline, move the RenderBlock's children underneath it, and then set the
        inline as the new element's renderer.

        Reviewed by Dan Bernstein

        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::handleRunInChild):
        * rendering/RenderInline.cpp:
        (WebCore::RenderInline::renderName):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@40254 268f45cc-cd09-0410-ab3c-d52691b4dbfc