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

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

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 274 matching lines @@
         LayoutUnit marginStart = minimumValueForLength(style()->marginStart(), availableLogicalWidth);
         LayoutUnit marginEnd = minimumValueForLength(style()->marginEnd(), availableLogicalWidth);
         LayoutUnit marginTotal = marginStart + marginEnd;
 
         // Subtract out our margins to get the available content width.
         LayoutUnit availableContentLogicalWidth = (containerWidthInInlineDirection - marginTotal).clampNegativeToZero();
         if (shrinkToAvoidFloats() && cb->isLayoutBlockFlow() && toLayoutBlockFlow(cb)->containsFloats() && !hasPerpendicularContainingBlock)
             availableContentLogicalWidth = shrinkLogicalWidthToAvoidFloats(marginStart, marginEnd, toLayoutBlockFlow(cb));
 
         // Ensure we aren't bigger than our available width.
-        setLogicalWidth(LayoutUnit(std::min(availableContentLogicalWidth, maxPreferredLogicalWidth()).floor()));
+        LayoutUnit maxWidth = maxPreferredLogicalWidth();
+        // scaledWidthFromPercentColumns depends on m_layoutStruct in TableLayoutAlgorithmAuto, which
+        // maxPreferredLogicalWidth fills in. So scaledWidthFromPercentColumns has to be called after
+        // maxPreferredLogicalWidth.
+        LayoutUnit scaledWidth = m_tableLayout->scaledWidthFromPercentColumns() + bordersPaddingAndSpacingInRowDirection();

[dgrogan, 2016/04/29 23:20:40]

This one.

+        maxWidth = std::max(scaledWidth, maxWidth);
+        setLogicalWidth(LayoutUnit(std::min(availableContentLogicalWidth, maxWidth).floor()));
     }
 
     // Ensure we aren't bigger than our max-width style.
     Length styleMaxLogicalWidth = style()->logicalMaxWidth();
     if ((styleMaxLogicalWidth.isSpecified() && !styleMaxLogicalWidth.isNegative()) || styleMaxLogicalWidth.isIntrinsic()) {
         LayoutUnit computedMaxLogicalWidth = convertStyleLogicalWidthToComputedWidth(styleMaxLogicalWidth, availableLogicalWidth);
         setLogicalWidth(LayoutUnit(std::min(logicalWidth(), computedMaxLogicalWidth).floor()));
     }
 
     // Ensure we aren't smaller than our min preferred width. This MUST be done after 'max-width' as
@@ skipping 1174 matching lines @@
 
 LayoutUnit LayoutTable::paddingRight() const
 {
     if (collapseBorders())
         return LayoutUnit();
 
     return LayoutBlock::paddingRight();
 }
 
 } // namespace blink