Unify and provide one IsGarbageCollectedType<T> implementation.

third_party/WebKit/Source/core/layout/LayoutTableSection.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, 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 69 matching lines @@
 
 void CellSpan::ensureConsistency(const unsigned maximumSpanSize)
 {
     static_assert(std::is_same<decltype(m_start), unsigned>::value, "Asserts below assume m_start is unsigned");
     static_assert(std::is_same<decltype(m_end), unsigned>::value, "Asserts below assume m_end is unsigned");
     RELEASE_ASSERT(m_start <= maximumSpanSize);
     RELEASE_ASSERT(m_end <= maximumSpanSize);
     RELEASE_ASSERT(m_start <= m_end);
 }
 
+LayoutTableSection::CellStruct::CellStruct()
+    : inColSpan(false)
+{
+}
+
+LayoutTableSection::CellStruct::~CellStruct()
+{
+}
+
 LayoutTableSection::LayoutTableSection(Element* element)
     : LayoutTableBoxComponent(element)
     , m_cCol(0)
     , m_cRow(0)
     , m_outerBorderStart(0)
     , m_outerBorderEnd(0)
     , m_outerBorderBefore(0)
     , m_outerBorderAfter(0)
     , m_needsCellRecalc(false)
     , m_forceSlowPaintPathWithOverflowingCell(false)
@@ skipping 1555 matching lines @@
     // FIXME: The table's direction should determine our row's direction, not the section's (see bug 96691).
     if (!style()->isLeftToRightDirection())
         cellLocation.setX(LayoutUnit(table()->effectiveColumnPositions()[table()->numEffectiveColumns()] - table()->effectiveColumnPositions()[table()->absoluteColumnToEffectiveColumn(cell->absoluteColumnIndex() + cell->colSpan())] + horizontalBorderSpacing));
     else
         cellLocation.setX(LayoutUnit(table()->effectiveColumnPositions()[effectiveColumn] + horizontalBorderSpacing));
 
     cell->setLogicalLocation(cellLocation);
 }
 
 } // namespace blink