Add Length::isPercent and use it in tables.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
  *
@@ skipping 133 matching lines @@
     bool imageSourceHasChangedSize = oldIntrinsicSize != newIntrinsicSize;
     if (imageSourceHasChangedSize)
         setPreferredLogicalWidthsDirty();
 
     // If the actual area occupied by the image has changed and it is not constrained by style then a layout is required.
     bool imageSizeIsConstrained = style()->logicalWidth().isSpecified() && style()->logicalHeight().isSpecified();
 
     // FIXME: We only need to recompute the containing block's preferred size if the containing block's size
     // depends on the image's size (i.e., the container uses shrink-to-fit sizing).
     // There's no easy way to detect that shrink-to-fit is needed, always force a layout.
-    bool containingBlockNeedsToRecomputePreferredSize = style()->logicalWidth().hasPercent() || style()->logicalMaxWidth().hasPercent()  || style()->logicalMinWidth().hasPercent();
+    bool containingBlockNeedsToRecomputePreferredSize = style()->logicalWidth().isPercentOrCalc() || style()->logicalMaxWidth().isPercentOrCalc()  || style()->logicalMinWidth().isPercentOrCalc();
 
     if (imageSourceHasChangedSize && (!imageSizeIsConstrained || containingBlockNeedsToRecomputePreferredSize)) {
         setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::SizeChanged);
         return;
     }
 
     if (imageResource() && imageResource()->maybeAnimated())
         setShouldDoFullPaintInvalidation(PaintInvalidationDelayedFull);
     else
         setShouldDoFullPaintInvalidation(PaintInvalidationFull);
@@ skipping 142 matching lines @@
         return nullptr;
 
     ImageResource* cachedImage = m_imageResource->cachedImage();
     if (cachedImage && cachedImage->getImage() && cachedImage->getImage()->isSVGImage())
         return toSVGImage(cachedImage->getImage())->embeddedReplacedContent();
 
     return nullptr;
 }
 
 } // namespace blink