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

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2545 matching lines @@
   if (isWritingModeRoot() && !isRubyRun())
     return -1;
   if (!childrenInline())
     return LayoutBlock::inlineBlockBaseline(lineDirection);
   if (lastLineBox()) {
     const SimpleFontData* fontData =
         style(lastLineBox() == firstLineBox())->font().primaryFont();
     DCHECK(fontData);
     if (!fontData)
       return -1;
+    // InlineFlowBox::placeBoxesInBlockDirection will flip lines in
+    // case of verticalLR mode, so we can assume verticalRL for now.
+    if (style()->isFlippedLinesWritingMode()) {
+      return (logicalHeight() - lastLineBox()->logicalBottom() +
+              fontData->getFontMetrics().ascent(lastRootBox()->baselineType()))
+          .toInt();
+    }
     return (lastLineBox()->logicalTop() +
             fontData->getFontMetrics().ascent(lastRootBox()->baselineType()))
         .toInt();
   }
   if (!hasLineIfEmpty())
     return -1;
 
   const SimpleFontData* fontData = firstLineStyle()->font().primaryFont();
   DCHECK(fontData);
   if (!fontData)
@@ skipping 1962 matching lines @@
   return LayoutBlock::invalidatePaintIfNeeded(paintInvalidationState);
 }
 
 void LayoutBlockFlow::invalidateDisplayItemClients(
     PaintInvalidationReason invalidationReason) const {
   BlockFlowPaintInvalidator(*this).invalidateDisplayItemClients(
       invalidationReason);
 }
 
 }  // namespace blink