Correct overflow propagation in BTT and RTL writing-modes

Source/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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 1724 matching lines @@
     if (!hasColumns() && (recomputeFloats || isRoot() || expandsToEncloseOverhangingFloats() || hasSelfPaintingLayer()))
         addOverflowFromFloats();
 
     // Add in the overflow from positioned objects.
     addOverflowFromPositionedObjects();
 
     if (hasOverflowClip()) {
         // When we have overflow clip, propagate the original spillout since it will include collapsed bottom margins
         // and bottom padding.  Set the axis we don't care about to be 1, since we want this overflow to always
         // be considered reachable.
-        LayoutRect clientRect(clientBoxRect());
+        LayoutRect clientRect(noOverflowRect());
         LayoutRect rectToApply;
         if (isHorizontalWritingMode())
             rectToApply = LayoutRect(clientRect.x(), clientRect.y(), 1, max<LayoutUnit>(0, oldClientAfterEdge - clientRect.y()));
         else
             rectToApply = LayoutRect(clientRect.x(), clientRect.y(), max<LayoutUnit>(0, oldClientAfterEdge - clientRect.x()), 1);
         addLayoutOverflow(rectToApply);
         if (hasRenderOverflow())
             m_overflow->setLayoutClientAfterEdge(oldClientAfterEdge);
     }
         
     // Allow our overflow to catch cases where the caret in an empty editable element with negative text indent needs to get painted.
     LayoutUnit textIndent = textIndentOffset();
     if (textIndent < 0) {
-        LayoutRect clientRect(clientBoxRect());
+        LayoutRect clientRect(noOverflowRect());
         LayoutRect rectToApply = LayoutRect(clientRect.x() + min<LayoutUnit>(0, textIndent), clientRect.y(), clientRect.width() - min<LayoutUnit>(0, textIndent), clientRect.height());
         addVisualOverflow(rectToApply);
     }
 
     // Add visual overflow from box-shadow and border-image-outset.
     addVisualEffectOverflow();
 
     // Add visual overflow from theme.
     addVisualOverflowFromTheme();
 
@@ skipping 6366 matching lines @@
 {
     memoryInstrumentation->addRootObject(gColumnInfoMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gPositionedDescendantsMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gPercentHeightDescendantsMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gPositionedContainerMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gPercentHeightContainerMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gDelayedUpdateScrollInfoSet, WebCoreMemoryTypes::RenderingStructures);
 }
 
 } // namespace WebCore