First pass at removing dead vertical writing mode code.

sky/engine/core/rendering/RenderBlockLineLayout.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 95 matching lines @@
         bool constructedNewBox = false;
         bool allowedToConstructNewBox = !hasDefaultLineBoxContain || !inlineFlow || inlineFlow->alwaysCreateLineBoxes();
         bool canUseExistingParentBox = parentBox && !parentIsConstructedOrHaveNext(parentBox);
         if (allowedToConstructNewBox && !canUseExistingParentBox) {
             // We need to make a new box for this render object.  Once
             // made, we need to place it at the end of the current line.
             InlineBox* newBox = createInlineBoxForRenderer(obj, obj == this);
             ASSERT_WITH_SECURITY_IMPLICATION(newBox->isInlineFlowBox());
             parentBox = toInlineFlowBox(newBox);
             parentBox->setFirstLineStyleBit(lineInfo.isFirstLine());
-            parentBox->setIsHorizontal(isHorizontalWritingMode());
+            // FIXME(sky): Remove
+            parentBox->setIsHorizontal(true);
             if (!hasDefaultLineBoxContain)
                 parentBox->clearDescendantsHaveSameLineHeightAndBaseline();
             constructedNewBox = true;
         }
 
         if (constructedNewBox || canUseExistingParentBox) {
             if (!result)
                 result = parentBox;
 
             // If we have hit the block itself, then |box| represents the root
@@ skipping 928 matching lines @@
                     margins += adjustFloatForSubPixelLayout(endMargin.value());
                 childMin += margins.ceilToFloat();
                 childMax += margins.ceilToFloat();
             }
         }
 
         if (!child->isRenderInline() && !child->isText()) {
             // Case (2). Inline replaced elements and floats.
             // Go ahead and terminate the current line as far as
             // minwidth is concerned.
-            LayoutUnit childMinPreferredLogicalWidth, childMaxPreferredLogicalWidth;
-            if (child->isBox() && child->isHorizontalWritingMode() != isHorizontalWritingMode()) {
-                RenderBox* childBox = toRenderBox(child);
-                LogicalExtentComputedValues computedValues;
-                childBox->computeLogicalHeight(childBox->borderAndPaddingLogicalHeight(), 0, computedValues);
-                childMinPreferredLogicalWidth = childMaxPreferredLogicalWidth = computedValues.m_extent;
-            } else {
-                childMinPreferredLogicalWidth = child->minPreferredLogicalWidth();
-                childMaxPreferredLogicalWidth = child->maxPreferredLogicalWidth();
-            }
+            LayoutUnit childMinPreferredLogicalWidth = child->minPreferredLogicalWidth();
+            LayoutUnit childMaxPreferredLogicalWidth = child->maxPreferredLogicalWidth();
             childMin += childMinPreferredLogicalWidth.ceilToFloat();
             childMax += childMaxPreferredLogicalWidth.ceilToFloat();
 
             bool clearPreviousFloat;
             if (child->isFloating()) {
                 clearPreviousFloat = (prevFloat
                     && ((prevFloat->style()->floating() == LeftFloat && (childStyle->clear() & CLEFT))
                         || (prevFloat->style()->floating() == RightFloat && (childStyle->clear() & CRIGHT))));
                 prevFloat = child;
             } else {
@@ skipping 243 matching lines @@
         if (!style()->isFlippedLinesWritingMode())
             lastLineAnnotationsAdjustment = lastRootBox()->computeUnderAnnotationAdjustment(lowestAllowedPosition);
         else
             lastLineAnnotationsAdjustment = lastRootBox()->computeOverAnnotationAdjustment(lowestAllowedPosition);
     }
 
     // Now add in the bottom border/padding.
     setLogicalHeight(logicalHeight() + lastLineAnnotationsAdjustment + afterEdge);
 
     if (!firstLineBox() && hasLineIfEmpty())
-        setLogicalHeight(logicalHeight() + lineHeight(true, isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes));
+        setLogicalHeight(logicalHeight() + lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes));
 
     // See if we have any lines that spill out of our block.  If we do, then we will possibly need to
     // truncate text.
     if (hasTextOverflow)
         checkLinesForTextOverflow();
 
     // Ensure the new line boxes will be painted.
     if (isFullLayout && firstLineBox())
         setShouldDoFullPaintInvalidation(true);
 }
 
 void RenderBlockFlow::checkFloatsInCleanLine(RootInlineBox* line, Vector<FloatWithRect>& floats, size_t& floatIndex, bool& encounteredNewFloat, bool& dirtiedByFloat)
 {
     Vector<RenderBox*>* cleanLineFloats = line->floatsPtr();
     if (!cleanLineFloats)
         return;
 
     Vector<RenderBox*>::iterator end = cleanLineFloats->end();
     for (Vector<RenderBox*>::iterator it = cleanLineFloats->begin(); it != end; ++it) {
         RenderBox* floatingBox = *it;
         floatingBox->layoutIfNeeded();
         LayoutSize newSize(floatingBox->width() + floatingBox->marginWidth(), floatingBox->height() + floatingBox->marginHeight());
         if (floats[floatIndex].object != floatingBox) {
             encounteredNewFloat = true;
             return;
         }
 
         if (floats[floatIndex].rect.size() != newSize) {
-            LayoutUnit floatTop = isHorizontalWritingMode() ? floats[floatIndex].rect.y() : floats[floatIndex].rect.x();
-            LayoutUnit floatHeight = isHorizontalWritingMode() ? std::max(floats[floatIndex].rect.height(), newSize.height())
-                : std::max(floats[floatIndex].rect.width(), newSize.width());
+            LayoutUnit floatTop = floats[floatIndex].rect.y();
+            LayoutUnit floatHeight = std::max(floats[floatIndex].rect.height(), newSize.height());
             floatHeight = std::min(floatHeight, LayoutUnit::max() - floatTop);
             line->markDirty();
             markLinesDirtyInBlockRange(line->lineBottomWithLeading(), floatTop + floatHeight, line);
             floats[floatIndex].rect.setSize(newSize);
             dirtiedByFloat = true;
         }
         floatIndex++;
     }
 }
 
@@ skipping 268 matching lines @@
     float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false).toFloat();
     float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 }