Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 930 matching lines @@
             if (block->hasOverflowClip()) {
                 block->layer()->scrollableArea()->updateAfterLayout();
             }
         }
     }
 }
 
 void RenderBlock::updateScrollInfoAfterLayout()
 {
     if (hasOverflowClip()) {
-        if (style()->isFlippedBlocksWritingMode()) {
-            // FIXME: https://bugs.webkit.org/show_bug.cgi?id=97937
-            // Workaround for now. We cannot delay the scroll info for overflow
-            // for items with opposite writing directions, as the contents needs
-            // to overflow in that direction
-            layer()->scrollableArea()->updateAfterLayout();
-            return;
-        }
-
         if (gDelayUpdateScrollInfo)
             gDelayedUpdateScrollInfoSet->add(this);
         else
             layer()->scrollableArea()->updateAfterLayout();
     }
 }
 
 void RenderBlock::layout()
 {
     // Table cells call layoutBlock directly, so don't add any logic here.  Put code into
@@ skipping 1308 matching lines @@
     return ancestor->createPositionWithAffinity(childNode->nodeIndex() + 1, UPSTREAM);
 }
 
 PositionWithAffinity RenderBlock::positionForPointWithInlineChildren(const LayoutPoint& pointInLogicalContents)
 {
     ASSERT(childrenInline());
 
     if (!firstRootBox())
         return createPositionWithAffinity(0, DOWNSTREAM);
 
-    bool linesAreFlipped = style()->isFlippedLinesWritingMode();
-    bool blocksAreFlipped = style()->isFlippedBlocksWritingMode();
-
     // look for the closest line box in the root box which is at the passed-in y coordinate
     InlineBox* closestBox = 0;
     RootInlineBox* firstRootBoxWithChildren = 0;
     RootInlineBox* lastRootBoxWithChildren = 0;
     for (RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox()) {
         if (!root->firstLeafChild())
             continue;
         if (!firstRootBoxWithChildren)
             firstRootBoxWithChildren = root;
 
-        if (!linesAreFlipped && root->isFirstAfterPageBreak() && (pointInLogicalContents.y() < root->lineTopWithLeading()
-            || (blocksAreFlipped && pointInLogicalContents.y() == root->lineTopWithLeading())))
+        if (root->isFirstAfterPageBreak() && (pointInLogicalContents.y() < root->lineTopWithLeading()))
             break;
 
         lastRootBoxWithChildren = root;
 
         // check if this root line box is located at this y coordinate
-        if (pointInLogicalContents.y() < root->selectionBottom() || (blocksAreFlipped && pointInLogicalContents.y() == root->selectionBottom())) {
-            if (linesAreFlipped) {
-                RootInlineBox* nextRootBoxWithChildren = root->nextRootBox();
-                while (nextRootBoxWithChildren && !nextRootBoxWithChildren->firstLeafChild())
-                    nextRootBoxWithChildren = nextRootBoxWithChildren->nextRootBox();
-
-                if (nextRootBoxWithChildren && nextRootBoxWithChildren->isFirstAfterPageBreak() && (pointInLogicalContents.y() > nextRootBoxWithChildren->lineTopWithLeading()
-                    || (!blocksAreFlipped && pointInLogicalContents.y() == nextRootBoxWithChildren->lineTopWithLeading())))
-                    continue;
-            }
+        if (pointInLogicalContents.y() < root->selectionBottom()) {
             closestBox = root->closestLeafChildForLogicalLeftPosition(pointInLogicalContents.x());
             if (closestBox)
                 break;
         }
     }
 
     bool moveCaretToBoundary = document().frame()->editor().behavior().shouldMoveCaretToHorizontalBoundaryWhenPastTopOrBottom();
 
     if (!moveCaretToBoundary && !closestBox && lastRootBoxWithChildren) {
         // y coordinate is below last root line box, pretend we hit it
         closestBox = lastRootBoxWithChildren->closestLeafChildForLogicalLeftPosition(pointInLogicalContents.x());
     }
 
     if (closestBox) {
         if (moveCaretToBoundary) {
             LayoutUnit firstRootBoxWithChildrenTop = std::min<LayoutUnit>(firstRootBoxWithChildren->selectionTop(), firstRootBoxWithChildren->logicalTop());
-            if (pointInLogicalContents.y() < firstRootBoxWithChildrenTop
-                || (blocksAreFlipped && pointInLogicalContents.y() == firstRootBoxWithChildrenTop)) {
+            if (pointInLogicalContents.y() < firstRootBoxWithChildrenTop) {
                 InlineBox* box = firstRootBoxWithChildren->firstLeafChild();
                 if (box->isLineBreak()) {
                     if (InlineBox* newBox = box->nextLeafChildIgnoringLineBreak())
                         box = newBox;
                 }
                 // y coordinate is above first root line box, so return the start of the first
                 return PositionWithAffinity(positionForBox(box, true), DOWNSTREAM);
             }
         }
 
@@ skipping 44 matching lines @@
     offsetForContents(pointInContents);
     LayoutPoint pointInLogicalContents(pointInContents);
 
     if (childrenInline())
         return positionForPointWithInlineChildren(pointInLogicalContents);
 
     RenderBox* lastCandidateBox = lastChildBox();
     while (lastCandidateBox && !isChildHitTestCandidate(lastCandidateBox))
         lastCandidateBox = lastCandidateBox->previousSiblingBox();
 
-    bool blocksAreFlipped = style()->isFlippedBlocksWritingMode();
     if (lastCandidateBox) {
         if (pointInLogicalContents.y() > logicalTopForChild(lastCandidateBox)
-            || (!blocksAreFlipped && pointInLogicalContents.y() == logicalTopForChild(lastCandidateBox)))
+            || (pointInLogicalContents.y() == logicalTopForChild(lastCandidateBox)))
             return positionForPointRespectingEditingBoundaries(this, lastCandidateBox, pointInContents);
 
         for (RenderBox* childBox = firstChildBox(); childBox; childBox = childBox->nextSiblingBox()) {
             if (!isChildHitTestCandidate(childBox))
                 continue;
             LayoutUnit childLogicalBottom = logicalTopForChild(childBox) + logicalHeightForChild(childBox);
             // We hit child if our click is above the bottom of its padding box (like IE6/7 and FF3).
-            if (isChildHitTestCandidate(childBox) && (pointInLogicalContents.y() < childLogicalBottom
-                || (blocksAreFlipped && pointInLogicalContents.y() == childLogicalBottom)))
+            if (isChildHitTestCandidate(childBox) && (pointInLogicalContents.y() < childLogicalBottom))
                 return positionForPointRespectingEditingBoundaries(this, childBox, pointInContents);
         }
     }
 
     // We only get here if there are no hit test candidate children below the click.
     return RenderBox::positionForPoint(point);
 }
 
 void RenderBlock::offsetForContents(LayoutPoint& offset) const
 {
@@ skipping 725 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink