Cleanup: Remove LayoutRegion.

Source/core/layout/LayoutBlockFlowLine.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 10 matching lines @@
  */
 
 #include "config.h"
 
 #include "core/dom/AXObjectCache.h"
 #include "core/layout/BidiRunForLine.h"
 #include "core/layout/LayoutCounter.h"
 #include "core/layout/LayoutFlowThread.h"
 #include "core/layout/LayoutListMarker.h"
 #include "core/layout/LayoutObject.h"
-#include "core/layout/LayoutRegion.h"
 #include "core/layout/LayoutRubyRun.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/TextRunConstructor.h"
 #include "core/layout/VerticalPositionCache.h"
 #include "core/layout/line/BreakingContextInlineHeaders.h"
 #include "core/layout/line/LayoutTextInfo.h"
 #include "core/layout/line/LineLayoutState.h"
 #include "core/layout/line/LineWidth.h"
 #include "core/layout/line/TrailingFloatsRootInlineBox.h"
 #include "core/layout/line/WordMeasurement.h"
@@ skipping 1472 matching lines @@
     if (styleToUse.collapseWhiteSpace())
         stripTrailingSpace(inlineMax, inlineMin, trailingSpaceChild);
 
     minLogicalWidth = std::max(minLogicalWidth, LayoutUnit::fromFloatCeil(inlineMin.toFloat()));
     maxLogicalWidth = std::max(maxLogicalWidth, LayoutUnit::fromFloatCeil(inlineMax.toFloat()));
 }
 
 void LayoutBlockFlow::layoutInlineChildren(bool relayoutChildren, LayoutUnit& paintInvalidationLogicalTop, LayoutUnit& paintInvalidationLogicalBottom, LayoutUnit afterEdge)
 {
     LayoutFlowThread* flowThread = flowThreadContainingBlock();
-    bool clearLinesForPagination = firstLineBox() && flowThread && !flowThread->hasRegions();
+    bool clearLinesForPagination = firstLineBox() && flowThread && !flowThread->hasColumnSets();
 
     // Figure out if we should clear out our line boxes.
     // FIXME: Handle resize eventually!
     bool isFullLayout = !firstLineBox() || selfNeedsLayout() || relayoutChildren || clearLinesForPagination;
     LineLayoutState layoutState(isFullLayout, paintInvalidationLogicalTop, paintInvalidationLogicalBottom, flowThread);
 
     if (isFullLayout) {
         // Ensure the old line boxes will be erased.
         if (firstLineBox())
             setShouldDoFullPaintInvalidation();
@@ skipping 517 matching lines @@
     float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false).toFloat();
     float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 }