[css tables] Don't pass table width increase due to % columns to parents

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

 /*
  * Copyright (C) 2002 Lars Knoll (knoll@kde.org)
  *           (C) 2002 Dirk Mueller (mueller@kde.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 25 matching lines @@
         : m_table(table)
     {
     }
 
     virtual ~TableLayoutAlgorithm() { }
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) = 0;
     virtual void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth, LayoutUnit& maxWidth) const = 0;
     virtual void layout() = 0;
     virtual void willChangeTableLayout() = 0;
+    virtual LayoutUnit scaledWidthFromPercentColumns() = 0;

[mstensho (USE GERRIT), 2016/04/27 12:19:48]

I don't think it's strictly necessary to make this one pure virtual. Having it
return LayoutUnit() instead would eliminate the need for modifying the fixed
table layout implementation.

[dgrogan, 2016/04/27 20:24:05]

Good call.

 
 protected:
     // FIXME: Once we enable SATURATED_LAYOUT_ARITHMETHIC, this should just be LayoutUnit::nearlyMax().
     // Until then though, using nearlyMax causes overflow in some tests, so we just pick a large number.
     const static int tableMaxWidth = 1000000;
 
     LayoutTable* m_table;
 };
 
 } // namespace blink
 
 #endif // TableLayoutAlgorithm_h