Add Length::isPercent and use it in tables.

third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 304 matching lines @@
     // https://bugs.webkit.org/show_bug.cgi?id=46418 - Flexible box support.
     if (style.getWritingMode() != TopToBottomWritingMode && (style.display() == BOX || style.display() == INLINE_BOX))
         style.setWritingMode(TopToBottomWritingMode);
 
     if (parentStyle.isDisplayFlexibleOrGridBox()) {
         style.setFloating(NoFloat);
         style.setDisplay(equivalentBlockDisplay(style.display()));
 
         // We want to count vertical percentage paddings/margins on flex items because our current
         // behavior is different from the spec and we want to gather compatibility data.
-        if (style.paddingBefore().hasPercent() || style.paddingAfter().hasPercent())
+        if (style.paddingBefore().isPercentOrCalc() || style.paddingAfter().isPercentOrCalc())
             UseCounter::count(document, UseCounter::FlexboxPercentagePaddingVertical);
-        if (style.marginBefore().hasPercent() || style.marginAfter().hasPercent())
+        if (style.marginBefore().isPercentOrCalc() || style.marginAfter().isPercentOrCalc())
             UseCounter::count(document, UseCounter::FlexboxPercentageMarginVertical);
     }
 }
 
 void StyleAdjuster::adjustComputedStyle(ComputedStyle& style, const ComputedStyle& parentStyle, Element* element)
 {
     if (style.display() != NONE) {
         if (element && element->isHTMLElement())
             adjustStyleForHTMLElement(style, toHTMLElement(*element));
 
@@ skipping 66 matching lines @@
             style.setDisplay(BLOCK);
 
         // Columns don't apply to svg text elements.
         if (isSVGTextElement(*element))
             style.clearMultiCol();
     }
     adjustStyleForAlignment(style, parentStyle);
 }
 
 } // namespace blink