[CSS Regions] Rename region-overflow to region-fragment

Source/core/rendering/RenderRegion.cpp

 /*
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 82 matching lines @@
 }
 
 LayoutRect RenderRegion::overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPortionRect, bool isFirstPortion, bool isLastPortion) const
 {
     ASSERT(isValid());
 
     // FIXME: Would like to just use hasOverflowClip() but we aren't a block yet. When RenderRegion is eliminated and
     // folded into RenderBlock, switch to hasOverflowClip().
     bool clipX = style()->overflowX() != OVISIBLE;
     bool clipY = style()->overflowY() != OVISIBLE;
-    bool isLastRegionWithRegionOverflowBreak = (isLastPortion && (style()->regionOverflow() == BreakRegionOverflow));
-    if ((clipX && clipY) || isLastRegionWithRegionOverflowBreak)
+    bool isLastRegionWithRegionFragmentBreak = (isLastPortion && (style()->regionFragment() == BreakRegionFragment));
+    if ((clipX && clipY) || isLastRegionWithRegionFragmentBreak)
         return flowThreadPortionRect;
 
     LayoutRect flowThreadOverflow = m_flowThread->visualOverflowRect();
 
     // Only clip along the flow thread axis.
     LayoutUnit outlineSize = maximalOutlineSize(PaintPhaseOutline);
     LayoutRect clipRect;
     if (m_flowThread->isHorizontalWritingMode()) {
         LayoutUnit minY = isFirstPortion ? (flowThreadOverflow.y() - outlineSize) : flowThreadPortionRect.y();
         LayoutUnit maxY = isLastPortion ? max(flowThreadPortionRect.maxY(), flowThreadOverflow.maxY()) + outlineSize : flowThreadPortionRect.maxY();
@@ skipping 505 matching lines @@
     if (!hasOverrideHeight())
         return;
 
     LayoutUnit newLogicalHeight = overrideLogicalContentHeight() + borderAndPaddingLogicalHeight();
     ASSERT(newLogicalHeight < LayoutUnit::max() / 2);
     if (newLogicalHeight > logicalHeight())
         setLogicalHeight(newLogicalHeight);
 }
 
 } // namespace WebCore