Remove flipForWritingMode.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 172 matching lines @@
         return;
 
     if (scrollbar == m_vBar.get())
         scrollRect.move(verticalScrollbarStart(0, box().width()), box().borderTop());
     else
         scrollRect.move(horizontalScrollbarStart(0), box().height() - box().borderBottom() - scrollbar->height());
 
     if (scrollRect.isEmpty())
         return;
 
-    LayoutRect paintInvalidationRect = scrollRect;
-    box().flipForWritingMode(paintInvalidationRect);
-
-    IntRect intRect = pixelSnappedIntRect(paintInvalidationRect);
+    IntRect intRect = pixelSnappedIntRect(scrollRect);
 
     if (box().frameView()->isInPerformLayout())
         addScrollbarDamage(scrollbar, intRect);
     else
         box().invalidatePaintRectangle(intRect);
 }
 
 void RenderLayerScrollableArea::invalidateScrollCornerRect(const IntRect& rect)
 {
     if (GraphicsLayer* layer = layerForScrollCorner()) {
@@ skipping 295 matching lines @@
 int RenderLayerScrollableArea::pixelSnappedScrollHeight() const
 {
     return snapSizeToPixel(scrollHeight(), box().clientTop() + box().y());
 }
 
 void RenderLayerScrollableArea::computeScrollDimensions()
 {
     m_scrollDimensionsDirty = false;
 
     m_overflowRect = box().layoutOverflowRect();
-    box().flipForWritingMode(m_overflowRect);
 
     int scrollableLeftOverflow = m_overflowRect.x() - box().borderLeft() - (box().style()->shouldPlaceBlockDirectionScrollbarOnLogicalLeft() ? box().verticalScrollbarWidth() : 0);
     int scrollableTopOverflow = m_overflowRect.y() - box().borderTop();
     setScrollOrigin(IntPoint(-scrollableLeftOverflow, -scrollableTopOverflow));
 }
 
 void RenderLayerScrollableArea::scrollToOffset(const IntSize& scrollOffset, ScrollOffsetClamping clamp)
 {
     IntSize newScrollOffset = clamp == ScrollOffsetClamped ? clampScrollOffset(scrollOffset) : scrollOffset;
     if (newScrollOffset != adjustedScrollOffset())
@@ skipping 776 matching lines @@
 void RenderLayerScrollableArea::setTopmostScrollChild(RenderLayer* scrollChild)
 {
     // We only want to track the topmost scroll child for scrollable areas with
     // overlay scrollbars.
     if (!hasOverlayScrollbars())
         return;
     m_nextTopmostScrollChild = scrollChild;
 }
 
 } // namespace blink