Optimize for horizontal writing mode

Source/core/rendering/RenderTableCell.cpp

Index: Source/core/rendering/RenderTableCell.cpp
diff --git a/Source/core/rendering/RenderTableCell.cpp b/Source/core/rendering/RenderTableCell.cpp
index 910a1c95f39bf7303c5b8320c10f56de81ddf9b5..17dbbb7b33ebbf62cc14b8d09ee5b39fbfc1d83a 100644
--- a/Source/core/rendering/RenderTableCell.cpp
+++ b/Source/core/rendering/RenderTableCell.cpp
@@ -857,27 +857,27 @@ inline CollapsedBorderValue RenderTableCell::cachedCollapsedLeftBorder(const Ren
 {
     if (styleForCellFlow->isHorizontalWritingMode())
         return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSStart) : section()->cachedCollapsedBorder(this, CBSEnd);
-    return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
+    return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
 }
 
 inline CollapsedBorderValue RenderTableCell::cachedCollapsedRightBorder(const RenderStyle* styleForCellFlow) const
 {
     if (styleForCellFlow->isHorizontalWritingMode())
         return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSEnd) : section()->cachedCollapsedBorder(this, CBSStart);
-    return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
+    return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
 }
 
 inline CollapsedBorderValue RenderTableCell::cachedCollapsedTopBorder(const RenderStyle* styleForCellFlow) const
 {
     if (styleForCellFlow->isHorizontalWritingMode())
-        return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
+        return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
     return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSStart) : section()->cachedCollapsedBorder(this, CBSEnd);
 }
 
 inline CollapsedBorderValue RenderTableCell::cachedCollapsedBottomBorder(const RenderStyle* styleForCellFlow) const
 {
     if (styleForCellFlow->isHorizontalWritingMode())
-        return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
+        return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
     return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSEnd) : section()->cachedCollapsedBorder(this, CBSStart);
 }
 
@@ -928,7 +928,7 @@ int RenderTableCell::borderHalfLeft(bool outer) const
     const RenderStyle* styleForCellFlow = this->styleForCellFlow();
     if (styleForCellFlow->isHorizontalWritingMode())
         return styleForCellFlow->isLeftToRightDirection() ? borderHalfStart(outer) : borderHalfEnd(outer);
-    return styleForCellFlow->isFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
+    return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
 }
 
 int RenderTableCell::borderHalfRight(bool outer) const
@@ -936,14 +936,14 @@ int RenderTableCell::borderHalfRight(bool outer) const
     const RenderStyle* styleForCellFlow = this->styleForCellFlow();
     if (styleForCellFlow->isHorizontalWritingMode())
         return styleForCellFlow->isLeftToRightDirection() ? borderHalfEnd(outer) : borderHalfStart(outer);
-    return styleForCellFlow->isFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
+    return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
 }
 
 int RenderTableCell::borderHalfTop(bool outer) const
 {
     const RenderStyle* styleForCellFlow = this->styleForCellFlow();
     if (styleForCellFlow->isHorizontalWritingMode())
-        return styleForCellFlow->isFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
+        return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
     return styleForCellFlow->isLeftToRightDirection() ? borderHalfStart(outer) : borderHalfEnd(outer);
 }
 
@@ -951,7 +951,7 @@ int RenderTableCell::borderHalfBottom(bool outer) const
 {
     const RenderStyle* styleForCellFlow = this->styleForCellFlow();
     if (styleForCellFlow->isHorizontalWritingMode())
-        return styleForCellFlow->isFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
+        return styleForCellFlow->slowIsFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
     return styleForCellFlow->isLeftToRightDirection() ? borderHalfEnd(outer) : borderHalfStart(outer);
 }
 
@@ -975,7 +975,7 @@ int RenderTableCell::borderHalfBefore(bool outer) const
 {
     CollapsedBorderValue border = collapsedBeforeBorder(DoNotIncludeBorderColor);
     if (border.exists())
-        return (border.width() + ((styleForCellFlow()->isFlippedBlocksWritingMode() ^ outer) ? 0 : 1)) / 2; // Give the extra pixel to top and left.
+        return (border.width() + ((styleForCellFlow()->slowIsFlippedBlocksWritingMode() ^ outer) ? 0 : 1)) / 2; // Give the extra pixel to top and left.
     return 0;
 }
 
@@ -983,7 +983,7 @@ int RenderTableCell::borderHalfAfter(bool outer) const
 {
     CollapsedBorderValue border = collapsedAfterBorder(DoNotIncludeBorderColor);
     if (border.exists())
-        return (border.width() + ((styleForCellFlow()->isFlippedBlocksWritingMode() ^ outer) ? 1 : 0)) / 2;
+        return (border.width() + ((styleForCellFlow()->slowIsFlippedBlocksWritingMode() ^ outer) ? 1 : 0)) / 2;
     return 0;
 }