Remove flipForWritingMode.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

Index: sky/engine/core/rendering/RenderLayerScrollableArea.cpp
diff --git a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
index a56be11c85d027c84c0019c4eac4e2eb84a88128..245377839d7967a7867f96651a742da51d344e02 100644
--- a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
+++ b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
@@ -190,10 +190,7 @@ void RenderLayerScrollableArea::invalidateScrollbarRect(Scrollbar* scrollbar, co
     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);
@@ -509,7 +506,6 @@ 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();