[table] Stretching tables when needed due to self-alignment properties

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 77 matching lines @@
   // be laid out again.
   bool setStaticPositionForPositionedLayout(LayoutBox& child);
 
  protected:
   void computeIntrinsicLogicalWidths(
       LayoutUnit& minLogicalWidth,
       LayoutUnit& maxLogicalWidth) const override;
 
   void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
   void removeChild(LayoutObject*) override;
+  ItemPosition selfAlignmentNormalBehavior() const override {
+    return ItemPositionStretch;
+  }
 
  private:
   enum FlexSign {
     PositiveFlexibility,
     NegativeFlexibility,
   };
 
   enum ChildLayoutType { LayoutIfNeeded, ForceLayout, NeverLayout };
 
   enum class TransformedWritingMode {
@@ skipping 150 matching lines @@
 
   // This is SizeIsUnknown outside of layoutBlock()
   mutable SizeDefiniteness m_hasDefiniteHeight;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFlexibleBox, isFlexibleBox());
 
 }  // namespace blink
 
 #endif  // LayoutFlexibleBox_h