Merge 136253

Source/WebCore/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 240 matching lines @@
         if (viewStyle->direction() != newStyle->direction() && (isRootRenderer || !document()->directionSetOnDocumentElement())) {
             viewStyle->setDirection(newStyle->direction());
             if (isBodyRenderer)
                 document()->documentElement()->renderer()->style()->setDirection(newStyle->direction());
             setNeedsLayoutAndPrefWidthsRecalc();
         }
 
         if (viewStyle->writingMode() != newStyle->writingMode() && (isRootRenderer || !document()->writingModeSetOnDocumentElement())) {
             viewStyle->setWritingMode(newStyle->writingMode());
             viewRenderer->setHorizontalWritingMode(newStyle->isHorizontalWritingMode());
+            viewRenderer->markAllDescendantsWithFloatsForLayout();
             if (isBodyRenderer) {
                 document()->documentElement()->renderer()->style()->setWritingMode(newStyle->writingMode());
                 document()->documentElement()->renderer()->setHorizontalWritingMode(newStyle->isHorizontalWritingMode());
             }
             setNeedsLayoutAndPrefWidthsRecalc();
         }
 
         frame()->view()->recalculateScrollbarOverlayStyle();
     }
 }
@@ skipping 3815 matching lines @@
     }
 
     if (didSplitParentAnonymousBoxes)
         markBoxForRelayoutAfterSplit(this);
 
     ASSERT(beforeChild->parent() == this);
     return beforeChild;
 }
 
 } // namespace WebCore