Add GraphicsLayerDebugInfo::includesNewPaintInvalidation to distinguish paint from new RenderObjects

Source/core/rendering/RenderMultiColumnSet.cpp

 /*
  * Copyright (C) 2012 Apple Inc.  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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 471 matching lines @@
             LayoutUnit ruleTop = isHorizontalWritingMode() ? paintOffset.y() + borderTop() + paddingTop() : paintOffset.y() + ruleLogicalLeft - ruleThickness / 2 + ruleAdd;
             LayoutUnit ruleBottom = isHorizontalWritingMode() ? ruleTop + contentHeight() : ruleTop + ruleThickness;
             IntRect pixelSnappedRuleRect = pixelSnappedIntRectFromEdges(ruleLeft, ruleTop, ruleRight, ruleBottom);
             drawLineForBoxSide(paintInfo.context, pixelSnappedRuleRect.x(), pixelSnappedRuleRect.y(), pixelSnappedRuleRect.maxX(), pixelSnappedRuleRect.maxY(), boxSide, ruleColor, ruleStyle, 0, 0, antialias);
         }
 
         ruleLogicalLeft = currLogicalLeftOffset;
     }
 }
 
-void RenderMultiColumnSet::paintInvalidationForFlowThreadContent(const LayoutRect& paintInvalidationRect) const
+void RenderMultiColumnSet::paintInvalidationForFlowThreadContent(const LayoutRect& paintInvalidationRect)
 {
     // Figure out the start and end columns and only check within that range so that we don't walk the
     // entire column set. Put the paint invalidation rect into flow thread coordinates by flipping it first.
     LayoutRect flowThreadPaintInvalidationRect(paintInvalidationRect);
     flowThread()->flipForWritingMode(flowThreadPaintInvalidationRect);
 
     // Now we can compare this rect with the flow thread portions owned by each column. First let's
     // just see if the paint invalidation rect intersects our flow thread portion at all.
     LayoutRect clippedRect(flowThreadPaintInvalidationRect);
     clippedRect.intersect(RenderRegion::flowThreadPortionOverflowRect());
@@ skipping 181 matching lines @@
 
 void RenderMultiColumnSet::detachRegion()
 {
     if (m_flowThread) {
         m_flowThread->removeRegionFromThread(this);
         m_flowThread = 0;
     }
 }
 
 }