Cleanup friends of LayoutObject

Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 297 matching lines @@
     updateScrollInfoAfterLayout();
 
     if (m_paintInvalidationLogicalTop != m_paintInvalidationLogicalBottom) {
         bool hasVisibleContent = style()->visibility() == VISIBLE;
         if (!hasVisibleContent) {
             DeprecatedPaintLayer* layer = enclosingLayer();
             layer->updateDescendantDependentFlags();
             hasVisibleContent = layer->hasVisibleContent();
         }
         if (hasVisibleContent)
-            setShouldInvalidateOverflowForPaint(true);
+            setShouldInvalidateOverflowForPaint();
     }
 
     if (isHTMLDialogElement(node()) && isOutOfFlowPositioned())
         positionDialog();
 
     clearNeedsLayout();
 }
 
 inline bool LayoutBlockFlow::layoutBlockFlow(bool relayoutChildren, LayoutUnit &pageLogicalHeight, SubtreeLayoutScope& layoutScope)
 {
@@ skipping 50 matching lines @@
         setLogicalHeight(lowestFloatLogicalBottom() + afterEdge);
 
     if (LayoutMultiColumnFlowThread* flowThread = multiColumnFlowThread()) {
         if (flowThread->recalculateColumnHeights()) {
             setChildNeedsLayout(MarkOnlyThis);
             return false;
         }
     }
 
     if (shouldBreakAtLineToAvoidWidow()) {
-        setEverHadLayout(true);
+        setEverHadLayout();
         return false;
     }
 
     // Calculate our new height.
     LayoutUnit oldHeight = logicalHeight();
     LayoutUnit oldClientAfterEdge = clientLogicalBottom();
 
     updateLogicalHeight();
     LayoutUnit newHeight = logicalHeight();
     if (!childrenInline()) {
@@ skipping 2657 matching lines @@
     FrameView* frameView = document().view();
     LayoutUnit top = (style()->position() == FixedPosition) ? 0 : frameView->scrollOffset().height();
     int visibleHeight = frameView->visibleContentRect(IncludeScrollbars).height();
     if (size().height() < visibleHeight)
         top += (visibleHeight - size().height()) / 2;
     setY(top);
     dialog->setCentered(top);
 }
 
 } // namespace blink