Resolve percent lengths for abs. positioned tables against padding box.

Source/core/rendering/RenderBox.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 2752 matching lines @@
         cb->computeLogicalHeight(cb->logicalHeight(), 0, computedValues);
         availableHeight = computedValues.m_extent - cb->borderAndPaddingLogicalHeight() - cb->scrollbarLogicalHeight();
     } else if (cb->isRenderView())
         availableHeight = view()->viewLogicalHeightForPercentages();
 
     if (availableHeight == -1)
         return availableHeight;
 
     availableHeight -= rootMarginBorderPaddingHeight;
 
+    if (isTable() && isOutOfFlowPositioned())
+        availableHeight += cb->paddingLogicalHeight();
+
     LayoutUnit result = valueForLength(height, availableHeight);
     if (includeBorderPadding) {
         // FIXME: Table cells should default to box-sizing: border-box so we can avoid this hack.
         // It is necessary to use the border-box to match WinIE's broken
         // box model. This is essential for sizing inside
         // table cells using percentage heights.
         result -= borderAndPaddingLogicalHeight();
         return max<LayoutUnit>(0, result);
     }
     return result;
@@ skipping 1912 matching lines @@
         return 0;
 
     if (!layoutState && !flowThreadContainingBlock())
         return 0;
 
     RenderBlock* containerBlock = containingBlock();
     return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop();
 }
 
 } // namespace WebCore