Remove unused variable movedSectionLogicalTop from table layout code.

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 419 matching lines @@
     // FIXME: We should do this recalc lazily in borderStart/borderEnd so that we don't have to make sure
     // to call this before we call borderStart/borderEnd to avoid getting a stale value.
     recalcBordersInRowDirection();
 
     SubtreeLayoutScope layouter(*this);
 
     // If any table section moved vertically, we will just issue paint invalidations for everything from that
     // section down (it is quite unlikely that any of the following sections
     // did not shift).
     bool sectionMoved = false;
-    LayoutUnit movedSectionLogicalTop = 0;
     {
         LayoutState state(*this, locationOffset());
         LayoutUnit oldLogicalWidth = logicalWidth();
         LayoutUnit oldLogicalHeight = logicalHeight();
 
         setLogicalHeight(0);
         updateLogicalWidth();
 
         if (logicalWidth() != oldLogicalWidth) {
             for (unsigned i = 0; i < m_captions.size(); i++)
@@ skipping 36 matching lines @@
             }
         }
 
         // FIXME: Collapse caption margin.
         if (!m_captions.isEmpty()) {
             for (unsigned i = 0; i < m_captions.size(); i++) {
                 if (m_captions[i]->style()->captionSide() == CAPBOTTOM)
                     continue;
                 layoutCaption(*m_captions[i]);
             }
-            if (logicalHeight() != oldTableLogicalTop) {
-                sectionMoved = true;
-                movedSectionLogicalTop = std::min(logicalHeight(), oldTableLogicalTop);
-            }
+            sectionMoved = logicalHeight() != oldTableLogicalTop;
         }
 
         LayoutUnit borderAndPaddingBefore = borderBefore() + (collapsing ? LayoutUnit() : paddingBefore());
         LayoutUnit borderAndPaddingAfter = borderAfter() + (collapsing ? LayoutUnit() : paddingAfter());
 
         setLogicalHeight(logicalHeight() + borderAndPaddingBefore);
 
         LayoutUnit computedLogicalHeight = 0;
 
         Length logicalHeightLength = style()->logicalHeight();
@@ skipping 23 matching lines @@
             setLogicalHeight(logicalHeight() + computedLogicalHeight);
         }
 
         LayoutUnit sectionLogicalLeft = style()->isLeftToRightDirection() ? borderStart() : borderEnd();
         if (!collapsing)
             sectionLogicalLeft += style()->isLeftToRightDirection() ? paddingStart() : paddingEnd();
 
         // position the table sections
         LayoutTableSection* section = topSection();
         while (section) {
-            if (!sectionMoved && section->logicalTop() != logicalHeight()) {
+            if (!sectionMoved && section->logicalTop() != logicalHeight())
                 sectionMoved = true;
-                movedSectionLogicalTop = std::min(logicalHeight(), section->logicalTop()) + (style()->isHorizontalWritingMode() ? section->visualOverflowRect().y() : section->visualOverflowRect().x());
-            }
             section->setLogicalLocation(LayoutPoint(sectionLogicalLeft, logicalHeight()));
 
             // As we may skip invalidation on the table, we need to ensure that sections are invalidated when they moved.
             if (sectionMoved && !section->selfNeedsLayout())
                 section->setMayNeedPaintInvalidation();
 
             setLogicalHeight(logicalHeight() + section->logicalHeight());
 
             section->updateLayerTransformAfterLayout();
             section->addVisualEffectOverflow();
@@ skipping 857 matching lines @@
                     || row->shouldDoFullPaintInvalidation())
                     cell->invalidateDisplayItemClient(*cell);
             }
         }
     }
 
     LayoutBlock::invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState);
 }
 
 }