Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/InlineFlowBox.cpp

Index: sky/engine/core/rendering/InlineFlowBox.cpp
diff --git a/sky/engine/core/rendering/InlineFlowBox.cpp b/sky/engine/core/rendering/InlineFlowBox.cpp
index 846c57fabd01d8627b003e5b51bbe01e0d19ef91..75ecaaa194fb3ae093b58750d185eeaefff4e99f 100644
--- a/sky/engine/core/rendering/InlineFlowBox.cpp
+++ b/sky/engine/core/rendering/InlineFlowBox.cpp
@@ -699,9 +699,6 @@ void InlineFlowBox::placeBoxesInBlockDirection(LayoutUnit top, LayoutUnit maxHei
             lineBottom = std::max<LayoutUnit>(lineBottom, pixelSnappedLogicalBottom());
             lineBottomIncludingMargins = std::max(lineBottom, lineBottomIncludingMargins);
         }
-
-        if (renderer().style()->isFlippedLinesWritingMode())
-            flipLinesInBlockDirection(lineTopIncludingMargins, lineBottomIncludingMargins);
     }
 }
 
@@ -754,8 +751,8 @@ inline void InlineFlowBox::addBoxShadowVisualOverflow(LayoutRect& logicalVisualO
 
     // Similar to how glyph overflow works, if our lines are flipped, then it's actually the opposite shadow that applies, since
     // the line is "upside down" in terms of block coordinates.
-    LayoutUnit shadowLogicalTop = style->isFlippedLinesWritingMode() ? -boxShadowLogicalBottom : boxShadowLogicalTop;
-    LayoutUnit shadowLogicalBottom = style->isFlippedLinesWritingMode() ? -boxShadowLogicalTop : boxShadowLogicalBottom;
+    LayoutUnit shadowLogicalTop = boxShadowLogicalTop;
+    LayoutUnit shadowLogicalBottom = boxShadowLogicalBottom;
 
     LayoutUnit logicalTopVisualOverflow = std::min(pixelSnappedLogicalTop() + shadowLogicalTop, logicalVisualOverflow.y());
     LayoutUnit logicalBottomVisualOverflow = std::max(pixelSnappedLogicalBottom() + shadowLogicalBottom, logicalVisualOverflow.maxY());
@@ -790,8 +787,8 @@ inline void InlineFlowBox::addBorderOutsetVisualOverflow(LayoutRect& logicalVisu
 
     // Similar to how glyph overflow works, if our lines are flipped, then it's actually the opposite border that applies, since
     // the line is "upside down" in terms of block coordinates. vertical-rl and horizontal-bt are the flipped line modes.
-    LayoutUnit outsetLogicalTop = style->isFlippedLinesWritingMode() ? borderOutsetLogicalBottom : borderOutsetLogicalTop;
-    LayoutUnit outsetLogicalBottom = style->isFlippedLinesWritingMode() ? borderOutsetLogicalTop : borderOutsetLogicalBottom;
+    LayoutUnit outsetLogicalTop = borderOutsetLogicalTop;
+    LayoutUnit outsetLogicalBottom = borderOutsetLogicalBottom;
 
     LayoutUnit logicalTopVisualOverflow = std::min(pixelSnappedLogicalTop() - outsetLogicalTop, logicalVisualOverflow.y());
     LayoutUnit logicalBottomVisualOverflow = std::max(pixelSnappedLogicalBottom() + outsetLogicalBottom, logicalVisualOverflow.maxY());
@@ -828,10 +825,9 @@ inline void InlineFlowBox::addTextBoxVisualOverflow(InlineTextBox* textBox, Glyp
 
     GlyphOverflowAndFallbackFontsMap::iterator it = textBoxDataMap.find(textBox);
     GlyphOverflow* glyphOverflow = it == textBoxDataMap.end() ? 0 : &it->value.second;
-    bool isFlippedLine = style->isFlippedLinesWritingMode();
 
-    int topGlyphEdge = glyphOverflow ? (isFlippedLine ? glyphOverflow->bottom : glyphOverflow->top) : 0;
-    int bottomGlyphEdge = glyphOverflow ? (isFlippedLine ? glyphOverflow->top : glyphOverflow->bottom) : 0;
+    int topGlyphEdge = glyphOverflow ? glyphOverflow->top : 0;
+    int bottomGlyphEdge = glyphOverflow ? glyphOverflow->bottom : 0;
     int leftGlyphEdge = glyphOverflow ? glyphOverflow->left : 0;
     int rightGlyphEdge = glyphOverflow ? glyphOverflow->right : 0;
 
@@ -844,7 +840,7 @@ inline void InlineFlowBox::addTextBoxVisualOverflow(InlineTextBox* textBox, Glyp
     TextEmphasisPosition emphasisMarkPosition;
     if (style->textEmphasisMark() != TextEmphasisMarkNone && textBox->getEmphasisMarkPosition(style, emphasisMarkPosition)) {
         int emphasisMarkHeight = style->font().emphasisMarkHeight(style->textEmphasisMarkString());
-        if ((emphasisMarkPosition == TextEmphasisPositionOver) == (!style->isFlippedLinesWritingMode()))
+        if (emphasisMarkPosition == TextEmphasisPositionOver)
             topGlyphOverflow = std::min(topGlyphOverflow, -emphasisMarkHeight);
         else
             bottomGlyphOverflow = std::max(bottomGlyphOverflow, emphasisMarkHeight);
@@ -1432,13 +1428,8 @@ LayoutUnit InlineFlowBox::computeOverAnnotationAdjustment(LayoutUnit allowedPosi
             RenderStyle* style = curr->renderer().style(isFirstLineStyle());
             TextEmphasisPosition emphasisMarkPosition;
             if (style->textEmphasisMark() != TextEmphasisMarkNone && toInlineTextBox(curr)->getEmphasisMarkPosition(style, emphasisMarkPosition) && emphasisMarkPosition == TextEmphasisPositionOver) {
-                if (!style->isFlippedLinesWritingMode()) {
-                    int topOfEmphasisMark = curr->logicalTop() - style->font().emphasisMarkHeight(style->textEmphasisMarkString());
-                    result = std::max(result, allowedPosition - topOfEmphasisMark);
-                } else {
-                    int bottomOfEmphasisMark = curr->logicalBottom() + style->font().emphasisMarkHeight(style->textEmphasisMarkString());
-                    result = std::max(result, bottomOfEmphasisMark - allowedPosition);
-                }
+                int topOfEmphasisMark = curr->logicalTop() - style->font().emphasisMarkHeight(style->textEmphasisMarkString());
+                result = std::max(result, allowedPosition - topOfEmphasisMark);
             }
         }
     }
@@ -1458,13 +1449,8 @@ LayoutUnit InlineFlowBox::computeUnderAnnotationAdjustment(LayoutUnit allowedPos
         if (curr->isInlineTextBox()) {
             RenderStyle* style = curr->renderer().style(isFirstLineStyle());
             if (style->textEmphasisMark() != TextEmphasisMarkNone && style->textEmphasisPosition() == TextEmphasisPositionUnder) {
-                if (!style->isFlippedLinesWritingMode()) {
-                    LayoutUnit bottomOfEmphasisMark = curr->logicalBottom() + style->font().emphasisMarkHeight(style->textEmphasisMarkString());
-                    result = std::max(result, bottomOfEmphasisMark - allowedPosition);
-                } else {
-                    LayoutUnit topOfEmphasisMark = curr->logicalTop() - style->font().emphasisMarkHeight(style->textEmphasisMarkString());
-                    result = std::max(result, allowedPosition - topOfEmphasisMark);
-                }
+                LayoutUnit bottomOfEmphasisMark = curr->logicalBottom() + style->font().emphasisMarkHeight(style->textEmphasisMarkString());
+                result = std::max(result, bottomOfEmphasisMark - allowedPosition);
             }
         }
     }