Use full available height when sizing percent content in cells

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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 2725 matching lines @@
     } else if (stretchedFlexHeight != LayoutUnit(-1)) {
         availableHeight = stretchedFlexHeight;
     } else if (hasOverrideContainingBlockLogicalHeight() && !isOutOfFlowPositionedWithSpecifiedHeight) {
         availableHeight = overrideContainingBlockContentLogicalHeight();
     } else if (cb->isGridItem() && cb->hasOverrideLogicalContentHeight()) {
         availableHeight = cb->overrideLogicalContentHeight();
     } else if (cbstyle.logicalHeight().isFixed()) {
         LayoutUnit contentBoxHeight = cb->adjustContentBoxLogicalHeightForBoxSizing(cbstyle.logicalHeight().value());
         availableHeight = cb->constrainContentBoxLogicalHeightByMinMax(
             contentBoxHeight - cb->scrollbarLogicalHeight(), LayoutUnit(-1)).clampNegativeToZero();
-        if (cb->isTableCell()) {
+        if (cb->isTableCell())
             includeBorderPadding = true;
-            // We're sizing content to the height from the cell's style so don't involve the intrinsic padding used to align the content.
-            availableHeight -= cb->computedCSSPaddingBefore() + cb->computedCSSPaddingAfter() + cb->borderBefore() + cb->borderAfter();
-        }
     } else if (cb->isTableCell()) {
         if (!skippedAutoHeightContainingBlock) {
             // Table cells violate what the CSS spec says to do with heights. Basically we
             // don't care if the cell specified a height or not. We just always make ourselves
             // be a percentage of the cell's current content height.
             if (!cb->hasOverrideLogicalContentHeight()) {
                 // Normally we would let the cell size intrinsically, but scrolling overflow has to be
                 // treated differently, since WinIE lets scrolled overflow regions shrink as needed.
                 // While we can't get all cases right, we can at least detect when the cell has a specified
                 // height or when the table has a specified height. In these cases we want to initially have
@@ skipping 2167 matching lines @@
         m_rareData->m_snapAreas->remove(&snapArea);
     }
 }
 
 SnapAreaSet* LayoutBox::snapAreas() const
 {
     return m_rareData ? m_rareData->m_snapAreas.get() : nullptr;
 }
 
 } // namespace blink