Add Length::isPercent and use it in tables.

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

Index: third_party/WebKit/Source/core/layout/LayoutView.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.cpp b/third_party/WebKit/Source/core/layout/LayoutView.cpp
index 0112d60920e2ca0e9e34354409954356702caf16..820d8e9d11b4847a7bcf430d9b23a2ccc43bd024 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutView.cpp
@@ -242,9 +242,9 @@ void LayoutView::layout()
                 continue;
 
             if ((child->isBox() && toLayoutBox(child)->hasRelativeLogicalHeight())
-                || child->style()->logicalHeight().hasPercent()
-                || child->style()->logicalMinHeight().hasPercent()
-                || child->style()->logicalMaxHeight().hasPercent())
+                || child->style()->logicalHeight().isPercentOrCalc()
+                || child->style()->logicalMinHeight().isPercentOrCalc()
+                || child->style()->logicalMaxHeight().isPercentOrCalc())
                 layoutScope.setChildNeedsLayout(child);
         }