Use logicalBottom when computing baselines in vertical-lr inline-blocks

third_party/WebKit/Source/core/layout/LayoutBlock.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
@@ skipping 1619 matching lines @@
   if (isAtomicInlineLevel() && linePositionMode == PositionOnContainingLine)
     return LayoutBox::lineHeight(firstLine, direction, linePositionMode);
 
   const ComputedStyle& style =
       styleRef(firstLine && document().styleEngine().usesFirstLineRules());
   return LayoutUnit(style.computedLineHeight());
 }
 
 int LayoutBlock::beforeMarginInLineDirection(
     LineDirectionMode direction) const {
+  // InlineFlowBox::placeBoxesInBlockDirection will flip lines in
+  // case of verticalLR mode, so we can assume verticalRL for now.
   return (direction == HorizontalLine ? marginTop() : marginRight()).toInt();
 }
 
 int LayoutBlock::baselinePosition(FontBaseline baselineType,
                                   bool firstLine,
                                   LineDirectionMode direction,
                                   LinePositionMode linePositionMode) const {
   // Inline blocks are replaced elements. Otherwise, just pass off to
   // the base class.  If we're being queried as though we're the root line
   // box, then the fact that we're an inline-block is irrelevant, and we behave
@@ skipping 558 matching lines @@
   }
 
   return availableHeight;
 }
 
 bool LayoutBlock::hasDefiniteLogicalHeight() const {
   return availableLogicalHeightForPercentageComputation() != LayoutUnit(-1);
 }
 
 }  // namespace blink