Don't repeat thead if the first row exceeds the height of the page

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

 /*
  * 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, 2009, 2010 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 238 matching lines @@
     // won't change often.
     m_columnLogicalWidthChanged |=
         m_effectiveColumnPositions[index] != position;
     m_effectiveColumnPositions[index] = position;
   }
 
   LayoutTableSection* header() const { return m_head; }
   LayoutTableSection* footer() const { return m_foot; }
   LayoutTableSection* firstBody() const { return m_firstBody; }
 
+  void setRowOffsetFromRepeatingHeader(LayoutUnit offset) {
+    m_rowOffsetFromRepeatingHeader = offset;
+  }
+  LayoutUnit rowOffsetFromRepeatingHeader() const {
+    return m_rowOffsetFromRepeatingHeader;
+  }
+
   // This function returns 0 if the table has no section.
   LayoutTableSection* topSection() const;
   LayoutTableSection* bottomSection() const;
 
   // This function returns 0 if the table has no non-empty sections.
   LayoutTableSection* topNonEmptySection() const;
 
   unsigned lastEffectiveColumnIndex() const {
     return numEffectiveColumns() - 1;
   }
@@ skipping 299 matching lines @@
     }
     return numEffectiveColumns();
   }
 
   short m_hSpacing;
   short m_vSpacing;
   int m_borderStart;
   int m_borderEnd;
 
   LayoutUnit m_blockOffsetToFirstRepeatableHeader;
+  LayoutUnit m_rowOffsetFromRepeatingHeader;
 };
 
 inline LayoutTableSection* LayoutTable::topSection() const {
   ASSERT(!needsSectionRecalc());
   if (m_head)
     return m_head;
   if (m_firstBody)
     return m_firstBody;
   return m_foot;
 }
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTable, isTable());
 
 }  // namespace blink
 
 #endif  // LayoutTable_h