Optimize for horizontal writing mode

Source/core/rendering/RenderReplaced.cpp

Index: Source/core/rendering/RenderReplaced.cpp
diff --git a/Source/core/rendering/RenderReplaced.cpp b/Source/core/rendering/RenderReplaced.cpp
index e88602ca7e47c7e7b07d7eac86ad27f3a2057384..7867b2d73d5435e5bd989cf6fdff4fbab8cf0ce9 100644
--- a/Source/core/rendering/RenderReplaced.cpp
+++ b/Source/core/rendering/RenderReplaced.cpp
@@ -445,7 +445,7 @@ LayoutRect RenderReplaced::localSelectionRect(bool checkWhetherSelected) const
         return LayoutRect(LayoutPoint(), size());
 
     RootInlineBox& root = inlineBoxWrapper()->root();
-    LayoutUnit newLogicalTop = root.block().style()->isFlippedBlocksWritingMode() ? inlineBoxWrapper()->logicalBottom() - root.selectionBottom() : root.selectionTop() - inlineBoxWrapper()->logicalTop();
+    LayoutUnit newLogicalTop = root.block().style()->slowIsFlippedBlocksWritingMode() ? inlineBoxWrapper()->logicalBottom() - root.selectionBottom() : root.selectionTop() - inlineBoxWrapper()->logicalTop();
     if (root.block().style()->isHorizontalWritingMode())
         return LayoutRect(0, newLogicalTop, width(), root.selectionHeight());
     return LayoutRect(newLogicalTop, 0, root.selectionHeight(), height());