Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/RenderGrid.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 602 matching lines @@
     child->setOverrideContainingBlockContentLogicalWidth(overrideContainingBlockContentLogicalWidth);
     // If |child| has a percentage logical height, we shouldn't let it override its intrinsic height, which is
     // what we are interested in here. Thus we need to set the override logical height to -1 (no possible resolution).
     child->setOverrideContainingBlockContentLogicalHeight(-1);
     child->layoutIfNeeded();
     return child->logicalHeight() + child->marginLogicalHeight();
 }
 
 LayoutUnit RenderGrid::minContentForChild(RenderBox* child, GridTrackSizingDirection direction, Vector<GridTrack>& columnTracks)
 {
-    bool hasOrthogonalWritingMode = child->isHorizontalWritingMode() != isHorizontalWritingMode();
-    // FIXME: Properly support orthogonal writing mode.
-    if (hasOrthogonalWritingMode)
-        return 0;
-
     if (direction == ForColumns) {
         // FIXME: It's unclear if we should return the intrinsic width or the preferred width.
         // See http://lists.w3.org/Archives/Public/www-style/2013Jan/0245.html
         return child->minPreferredLogicalWidth() + marginIntrinsicLogicalWidthForChild(child);
     }
 
     return logicalHeightForChild(child, columnTracks);
 }
 
 LayoutUnit RenderGrid::maxContentForChild(RenderBox* child, GridTrackSizingDirection direction, Vector<GridTrack>& columnTracks)
 {
-    bool hasOrthogonalWritingMode = child->isHorizontalWritingMode() != isHorizontalWritingMode();
-    // FIXME: Properly support orthogonal writing mode.
-    if (hasOrthogonalWritingMode)
-        return LayoutUnit();
-
     if (direction == ForColumns) {
         // FIXME: It's unclear if we should return the intrinsic width or the preferred width.
         // See http://lists.w3.org/Archives/Public/www-style/2013Jan/0245.html
         return child->maxPreferredLogicalWidth() + marginIntrinsicLogicalWidthForChild(child);
     }
 
     return logicalHeightForChild(child, columnTracks);
 }
 
 size_t RenderGrid::gridItemSpan(const RenderBox* child, GridTrackSizingDirection direction)
@@ skipping 509 matching lines @@
 {
     ItemPosition justify = childStyle->justifySelf();
     if (justify == ItemPositionAuto)
         justify = (parentStyle->justifyItems() == ItemPositionAuto) ? ItemPositionStretch : parentStyle->justifyItems();
 
     return justify;
 }
 
 LayoutUnit RenderGrid::columnPositionForChild(const RenderBox* child) const
 {
-    bool hasOrthogonalWritingMode = child->isHorizontalWritingMode() != isHorizontalWritingMode();
-
     switch (resolveJustification(style(), child->style())) {
     case ItemPositionSelfStart:
-        // For orthogonal writing-modes, this computes to 'start'
-        // FIXME: grid track sizing and positioning do not support orthogonal modes yet.
-        if (hasOrthogonalWritingMode)
-            return columnPositionAlignedWithGridContainerStart(child);
-
         // self-start is based on the child's direction. That's why we need to check against the grid container's direction.
         if (child->style()->direction() != style()->direction())
             return columnPositionAlignedWithGridContainerEnd(child);
 
         return columnPositionAlignedWithGridContainerStart(child);
     case ItemPositionSelfEnd:
-        // For orthogonal writing-modes, this computes to 'start'
-        // FIXME: grid track sizing and positioning do not support orthogonal modes yet.
-        if (hasOrthogonalWritingMode)
-            return columnPositionAlignedWithGridContainerEnd(child);
-
         // self-end is based on the child's direction. That's why we need to check against the grid container's direction.
         if (child->style()->direction() != style()->direction())
             return columnPositionAlignedWithGridContainerStart(child);
 
         return columnPositionAlignedWithGridContainerEnd(child);
 
     case ItemPositionFlexStart:
         // Only used in flex layout, for other layout, it's equivalent to 'start'.
         return columnPositionAlignedWithGridContainerStart(child);
     case ItemPositionFlexEnd:
         // Only used in flex layout, for other layout, it's equivalent to 'start'.
         return columnPositionAlignedWithGridContainerEnd(child);
 
     case ItemPositionLeft:
-        // If the property's axis is not parallel with the inline axis, this is equivalent to ‘start’.
-        if (!isHorizontalWritingMode())
-            return columnPositionAlignedWithGridContainerStart(child);
-
         if (style()->isLeftToRightDirection())
             return columnPositionAlignedWithGridContainerStart(child);
 
         return columnPositionAlignedWithGridContainerEnd(child);
     case ItemPositionRight:
-        // If the property's axis is not parallel with the inline axis, this is equivalent to ‘start’.
-        if (!isHorizontalWritingMode())
-            return columnPositionAlignedWithGridContainerStart(child);
-
         if (style()->isLeftToRightDirection())
             return columnPositionAlignedWithGridContainerEnd(child);
 
         return columnPositionAlignedWithGridContainerStart(child);
 
     case ItemPositionCenter:
         return centeredColumnPositionForChild(child);
     case ItemPositionStart:
         return columnPositionAlignedWithGridContainerStart(child);
     case ItemPositionEnd:
@@ skipping 54 matching lines @@
 {
     ItemPosition align = childStyle->alignSelf();
     // The auto keyword computes to the parent's align-items computed value, or to "stretch", if not set or "auto".
     if (align == ItemPositionAuto)
         align = (parentStyle->alignItems() == ItemPositionAuto) ? ItemPositionStretch : parentStyle->alignItems();
     return align;
 }
 
 LayoutUnit RenderGrid::rowPositionForChild(const RenderBox* child) const
 {
-    bool hasOrthogonalWritingMode = child->isHorizontalWritingMode() != isHorizontalWritingMode();
     ItemPosition alignSelf = resolveAlignment(style(), child->style());
 
     switch (alignSelf) {
     case ItemPositionSelfStart:
         return startOfRowForChild(child);
     case ItemPositionSelfEnd:
         return endOfRowForChild(child);
 
     case ItemPositionLeft:
         // orthogonal modes make property and inline axes to be parallel, but in any case
         // this is always equivalent to 'Start'.
         //
         // self-align's axis is never parallel to the inline axis, except in orthogonal
         // writing-mode, so this is equivalent to 'Start’.
         return startOfRowForChild(child);
 
     case ItemPositionRight:
-        // orthogonal modes make property and inline axes to be parallel.
-        // FIXME: grid track sizing and positioning does not support orthogonal modes yet.
-        if (hasOrthogonalWritingMode)
-            return endOfRowForChild(child);
-
         // self-align's axis is never parallel to the inline axis, except in orthogonal
         // writing-mode, so this is equivalent to 'Start'.
         return startOfRowForChild(child);
 
     case ItemPositionCenter:
         return centeredRowPositionForChild(child);
         // Only used in flex layout, for other layout, it's equivalent to 'Start'.
     case ItemPositionFlexStart:
     case ItemPositionStart:
         return startOfRowForChild(child);
@@ skipping 97 matching lines @@
     if (isOutOfFlowPositioned())
         return "RenderGrid (positioned)";
     if (isAnonymous())
         return "RenderGrid (generated)";
     if (isRelPositioned())
         return "RenderGrid (relative positioned)";
     return "RenderGrid";
 }
 
 } // namespace blink